Model: 251287

Hexagon Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Nut Style

Hexagon

Nut Height

Between 0.320 inches and 0.337 inches

End Application

W/s: support equipment, b-1 aircraft; shipboard material handling equipment (mhe); sas (starting air sys), ffg-7; fire pumps; vehicle, aircraft refueler r-14; chilled water a/c systems; airborne mobile dir air spt ctl (2id), (o2m jul83)(an/uyq-3a); gun, 5-in./54 cal, mk-42 & 45; l.P. Compressors

Width Across Flats

Between 0.5510 inches and 0.5625 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Hardness Rating

121.0 brinell standard

Thread Size

0.375 inches

Bearing Surface Type

Chamfered or washer faced

Material

Steel

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, cl 3 federal specification single treatment response

NSN

5310-00-732-0559

Part Number

251287

Description

Nut,plain,hexagon

CAGE

H0001

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

Part 251287 NSN 5310-00-732-0559

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01857

FIIG:

A021A0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

1.7000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093460

UFC:

48930

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

End Items End applications NSN 5310-00-732-0559 is a component of

B-1 Aircraft; Shipboard Material Handling Equipment (mhe); Sas (starting Air W/s:support Equipment
Mk-42 & 45; L.p. Compressors 5-in./54 Cal
Oe-561 (v) 2/g Quick Reaction Satellite Antenna
An/uyq-3a (v) 2 Direct Air Support Central
B-1 Aircraft Support Equipment
Aircraft Refueler R-14 Vehicle
L.p. Compressors
Fire Pumps
Mk-45 5-in./54 Cal Gun
An/tsc-85c Communications Terminal
000 Gal Cap (3id) 600 Amphibious Assault Fuel System
Lav-ad Air Defense Light Armored Vehicle
000871609
Searchlight
004396242
Full Tracked Recovery Vehicle
010874317
Annular Ball Bearing
001927249
Dump Truck
001339103
Diesel Engine Generator Set
014224682
Trailer Mounted Communications Antenna
001927249
Dump Truck
010700871
Hydrauli Test Stand
001300448
Liquid Argon-nitrogen-oxygen Storage Tank
010700871
Hydrauli Test Stand
000756546
Stake Trailer
001181240
Diesel Engine Generator Set
001181248
Diesel Engine Generator Set
005229599
Heavy Assault Bridge
010700871
Hydrauli Test Stand
013903933
Heavy Assault Bridge
010700871
Hydrauli Test Stand
001596057
Hand Lever Assembly
001646642
Tube Per Repair Kit
010700871
Hydrauli Test Stand
010969356
Cargo Carrier
009095949
Engine With Contain
000986803
Transmission Power Takeoff
010700871
Hydrauli Test Stand
011933621
Fire Fighting Truck
001181247
Diesel Engine Generator Set
011933621
Fire Fighting Truck
000099651
Rotary Compressor Unit
005296235
Maintenance Platform
001024236
Aircraft Cargo Loading-unloading Truck
003474520
Mechanical Transmission
013761694
Aircraft Towing Wheeled Tractor
011933621
Fire Fighting Truck
014122715
Diesel Engine
010100787
Trailer Mounted Bakery Plant
011933621
Fire Fighting Truck
013801288
Hose Reel Assembly
001181241
Diesel Engine Generator Set
011933621
Fire Fighting Truck
005296235
Maintenance Platform
000898287
Transfer Transmission Assembly
011933621
Fire Fighting Truck
013894119
Aircraft Towing Wheeled Tractor
011933621
Fire Fighting Truck
014419561
Rotary Pump Unit
013835604
Hose Reel Assembly
011649056
Transmission Power Takeoff
009008320
Motor Driven Cable Reeling Machine
013296355
Hydraul Jack Tester
008844833
Vehicular Mechanical Transmission
012252653
Rod End Plain Bearing
012472379
En Installation Kit
012293650
Test Adapter Set
005382736
Semitrailer Mounted Petroleum Laboratory
000017855
Transfer Transmission Assembly
012002301
Ammunition Loading-transporting Trailer
011739264
Cargo Trailer
005382736
Semitrailer Mounted Petroleum Laboratory
010657232
Reciprocating Compressor Unit
010671801
Aerial Stores Lift Truck
012058636
Industrial Wheeled Tractor
010665068
Ground Handling Trailer
011470388
Antenna Support
008087100
Armored Dozer-scraper Combination Full Tracked Tractor
011358852
Liquid Argon-nitrogen-oxygen Storage Tank
001181240
Diesel Engine Generator Set
004396242
Full Tracked Recovery Vehicle
004396242
Full Tracked Recovery Vehicle
011496530
Rotary Compressor Unit
004396242
Full Tracked Recovery Vehicle
004396242
Full Tracked Recovery Vehicle
010691287
Aircraft Towing Wheeled Tractor
013689500
Tracked Ammunition Carrier
010662474
Portable Duct Type Heater
010347537
Fire Fighting Truck
007061136
Transmission Power Takeoff
010319306
Reciprocating Compressor Unit
009850823
Rod End Clevis
010861653
Rail Type Trailer
011504140
Diesel Engine Generator Set
004396242
Full Tracked Recovery Vehicle
013689500
Tracked Ammunition Carrier
001226826
Full Tracked Recovery Vehicle
004396242
Full Tracked Recovery Vehicle
013689500
Tracked Ammunition Carrier
004651027
Diesel Engine Generator Set
010155216
Shoe Type Brake
001226826
Full Tracked Recovery Vehicle
010143855
Driving Automotive Axle Assembly
013689500
Tracked Ammunition Carrier
001226826
Full Tracked Recovery Vehicle
013689500
Tracked Ammunition Carrier
009790844
Mechanical Drive Housing
011104660
Tracked Ammunition Carrier
009030899
Fork Lift Truck
010134201
Fire Fighting Truck
009296865
Motor Driven Cable Reeling Machine
001226826
Full Tracked Recovery Vehicle
001226826
Full Tracked Recovery Vehicle
001226826
Full Tracked Recovery Vehicle
010046550
Aerial Stores Lift Truck
001226826
Full Tracked Recovery Vehicle
001226826
Full Tracked Recovery Vehicle
001226826
Full Tracked Recovery Vehicle
011104660
Tracked Ammunition Carrier
001181245
Diesel Engine Generator Set
001226826
Full Tracked Recovery Vehicle
011677258
Flat Bed Trailer
002295673
Transmission Power Takeoff
001181253
Diesel Engine Generator Set
008466388
Manual Control Lever
001226826
Full Tracked Recovery Vehicle
010270315
Signal Generator
009071776
Network Analyzer
009733366
Guided Missile Components Shipping And Storage Container
001226826
Full Tracked Recovery Vehicle
009534890
Warehouse Wheeled Tractor
009488223
Support Assemb Base
013733625
Fork Lift Truck
011104660
Tracked Ammunition Carrier
007930657
Test Adapter Kit
009534890
Warehouse Wheeled Tractor
000182021
Truck Mounted Crane
011104660
Tracked Ammunition Carrier
011104660
Tracked Ammunition Carrier
002354674
Fork Lift Truck
013445480
Tankless Type Liquid Bituminous Material Distributor
003476173
Warehouse Wheeled Tractor
002354674
Fork Lift Truck
006838850
Rotary Compressor Unit
002354674
Fork Lift Truck
005287224
Pneumatic Tire Wheel
004891301
Electrical Power Test Set
002354674
Fork Lift Truck
011560572
Ex Quick Erect Mast
014986512
Running-2 Axle Gear
003476173
Warehouse Wheeled Tractor
003476173
Warehouse Wheeled Tractor
005090740
Portable Duct Type Heater
010338318
Hydrauli Test Stand
003176448
Low Bed Semitrailer
005953013
Reciprocating Compressor Unit
004208486
Gas Turbine Engine Generator Set
002354674
Fork Lift Truck
004651030
Diesel Engine Generator Set
004637089
Aircraft Cargo Loading-unloading Truck
003176448
Low Bed Semitrailer
004070794
Fire Fighting Truck
004639092
Generator Wheel Kit
013846951
Rotary Compressor Unit
002523552
Fire Fighting Truck
004546662
Reciprocating Compressor Unit
004639094
Generator Wheel Kit
003395493
Test Adapter Kit
007951797
Full Tracked Combat Engineer Vehicle
007951797
Full Tracked Combat Engineer Vehicle
010637892
Bitumen Heater
007951797
Full Tracked Combat Engineer Vehicle
007951797
Full Tracked Combat Engineer Vehicle
011613992
Gas Turbine Engine Generator Set
013166617
Engine And Contain
014186654
Full Tracked Personnel Carrier
001181244
Diesel Engine Generator Set
007951797
Full Tracked Combat Engineer Vehicle
010534824
Fork Lift Truck
007951797
Full Tracked Combat Engineer Vehicle
007951797
Full Tracked Combat Engineer Vehicle
013779337
Tank Semitrailer
001300447
Liquid Argon-nitrogen-oxygen Storage Tank
002257663
Gas Turbine Engine Generator Set
001181253
Diesel Engine Generator Set
001300446
Liquid Argon-nitrogen-oxygen Storage Tank
007951797
Full Tracked Combat Engineer Vehicle
005699372
Van Semitrailer
007951797
Full Tracked Combat Engineer Vehicle
003278620
Bulk Transfer Flammable Liquid Pumping Assembly
001181243
Diesel Engine Generator Set
007951797
Full Tracked Combat Engineer Vehicle
000999326
Hydraulic Transmission
001142964
Reciprocating Compressor Unit
001181252
Diesel Engine Generator Set
001439564
Reciprocating Compressor Unit
005699372
Van Semitrailer
011439506
Mechanical Smoke Generator
001383006
Tank Truck
008285810
Armature Test Set
009357864
Fork Lift Truck
011368745
Cargo Carrier
010316154
Engine And Containe
011439506
Mechanical Smoke Generator
014090005
Nondriving Vehicular Axle Assembly
012957458
Diesel Engine
014727739
Diesel Engine
010284390
Tank Type Bituminous Material Distributor
010284390
Tank Type Bituminous Material Distributor
011566613
Spring Assembly Kit
011004456
Liquid Argon-nitrogen-oxygen Storage Tank
009357864
Fork Lift Truck
009261066
Warehouse Wheeled Tractor
009261066
Warehouse Wheeled Tractor
012092655
Liquid Argon-nitrogen-oxygen Storage Tank
011356165
Generator Wheel Kit
013038909
Masonry Abrasive Disk Saw
011014704
Air Conditioner
009261066
Warehouse Wheeled Tractor
009261066
Warehouse Wheeled Tractor
010666214
Liquid Argon-nitrogen-oxygen Storage Tank
011123793
Tank Truck
010900569
Tank Truck
010606080
Fork Lift Truck
001514432
Fork Lift Truck
011287535
Aircraft Cargo Loading-unloading Truck
011237589
Gas Turbine Engine Generator Set
009261066
Warehouse Wheeled Tractor
012487644
W Container Engine
010808521
Rotary Compressor Unit
010297347
Tank Truck
009949266
Fire Control System Test Set
010549779
Truck Mounted Crane
011004162
Fork Lift Truck
010549779
Truck Mounted Crane
010549779
Truck Mounted Crane
010516019
Aircraft Towing Wheeled Tractor
010549779
Truck Mounted Crane
010549779
Truck Mounted Crane
004441531
Trailer Mounted Concrete Mixer
010549779
Truck Mounted Crane
010564269
Portable Duct Type Heater
004655869
Fork Lift Truck
001974935
Warehouse Crane Truck
010414590
Self-propelled Medium Howitzer
010549779
Truck Mounted Crane
004441531
Trailer Mounted Concrete Mixer
001974935
Warehouse Crane Truck
010549779
Truck Mounted Crane
012460903
W Container Engine
000632862
Aircraft Mooring Tie Down
010549779
Truck Mounted Crane
012464276
Rotary Well Drilling Machine
010414590
Self-propelled Medium Howitzer
010414590
Self-propelled Medium Howitzer
009410841
Guided Missile Trailer
008564613
Hydraulic Constant Speed Drive
010414590
Self-propelled Medium Howitzer
010414590
Self-propelled Medium Howitzer
001974935
Warehouse Crane Truck
010414590
Self-propelled Medium Howitzer
010414590
Self-propelled Medium Howitzer
007061137
Transmission Power Takeoff
008930122
Electrical Power Test Set
001974935
Warehouse Crane Truck
010414590
Self-propelled Medium Howitzer
010284390
Tank Type Bituminous Material Distributor
010414590
Self-propelled Medium Howitzer
001974935
Warehouse Crane Truck
010761341
Insecticidal Fog Generator
010414590
Self-propelled Medium Howitzer
008472746
Trailer Mounted Diesel Engine Generator Set
013523021
Tracked Ammunition Carrier
013523021
Tracked Ammunition Carrier
010414590
Self-propelled Medium Howitzer
004221047
Trailer Substation
010414590
Self-propelled Medium Howitzer
010284390
Tank Type Bituminous Material Distributor
008387895
Radar Target Simulator
008013575
Parachute Deployment Bag
013523021
Tracked Ammunition Carrier
004357818
Rail Type Trailer
006847579
Reciprocating Compressor Unit
008618088
Truck Mounted Crane-shovel
004639089
Generator Wheel Kit
001245390
Engine With Contain
008618088
Truck Mounted Crane-shovel
013696081
Cargo Carrier
004889469
Ground Handling Trailer
013523021
Tracked Ammunition Carrier
013523021
Tracked Ammunition Carrier
004218214
Ammunition Maintenance Fixture
001927249
Dump Truck
002523559
Fire Fighting Truck
001927249
Dump Truck
004070784
Fire Fighting Truck
010874317
Annular Ball Bearing
010874317
Annular Ball Bearing
010874317
Annular Ball Bearing

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Schedule B and Export

Schedule B: 7318160000
SITC: 69421
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Nuts of iron or steel