Model: 251290

Hexagon Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Nut Style

Hexagon

Nut Height

Between 0.535 inches and 0.559 inches

Width Across Flats

Between 0.9220 inches and 0.9375 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Hardness Rating

121.0 brinell standard

Thread Size

0.625 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

5310-00-763-8905

Part Number

251290

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 251290 NSN 5310-00-763-8905

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:

3.4000lbs

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:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

TCC:

SHC:

ACC:

Construction Materials

End Items End applications NSN 5310-00-763-8905 is a component of

Main Feed Pumps
An/uyq-3a (v) 2 Direct Air Support Central
B-1 Aircraft Support Equipment
Aircraft Refueler R-14 Vehicle
1200 Psi Boilers
Satellite An/gsc-39(v)1 Communications Terminal
Fire Pumps
Ground Mobile Force Satellite Comm Term (an/tsc-93a)
001927249
Dump Truck
005154651
Aggregate Feeder
013927988
Trailer Mounted Aircraft Fuel Servicing Unit
001024236
Aircraft Cargo Loading-unloading Truck
000099651
Rotary Compressor Unit
005221850
Liquid Fuel Filter-separator
000999326
Hydraulic Transmission
000632862
Aircraft Mooring Tie Down
000384510
Electrical Power Test Set
010920470
Trailer Mounted Field Kitchen
010253733
Truck Tractor
011556020
Trail Field Kitchen
008087100
Armored Dozer-scraper Combination Full Tracked Tractor
005747597
Low Speed Full Tracked Tractor
012056213
Antenna
013132238
Trailer Mounted Field Kitchen
014445370
Signal Scanner
014445393
Antenna Synchro
011504795
Motorized Road Grader
001226826
Full Tracked Recovery Vehicle
011431212
Tank Type Water Distributor
011287535
Aircraft Cargo Loading-unloading Truck
008725971
Gasoline Engine
001387782
Trailer Mounted Field Kitchen
010691287
Aircraft Towing Wheeled Tractor
010892746
Vehicular Mechanical Transmission
010534824
Fork Lift Truck
011252640
Truck Tractor
012464646
Trailer Mounted Field Kitchen
009368613
Asphalt Mixing Plant
011281826
Reciprocating Compressor Unit
002354674
Fork Lift Truck
011560572
Ex Quick Erect Mast
010769947
Antenna Group
003176448
Low Bed Semitrailer
003176448
Low Bed Semitrailer
010543833
Fork Lift Truck
007951797
Full Tracked Combat Engineer Vehicle
010543833
Fork Lift Truck
010543833
Fork Lift Truck
005699372
Van Semitrailer
013779337
Tank Semitrailer
005747598
Low Speed Full Tracked Tractor
010710851
Aircraft Towing Wheeled Tractor
011362139
Portable Duct Type Heater
010710850
Aircraft Towing Wheeled Tractor
010284390
Tank Type Bituminous Material Distributor
012141176
Trailer Mounted Field Kitchen
010384331
Fire Fighting Truck
012765947
Gasoline Engine
001514432
Fork Lift Truck
010134201
Fire Fighting Truck
004901859
Centrifugal Pump Unit
001778485
Liquid Fuel Filter-separator
009261066
Warehouse Wheeled Tractor
010132825
Fire Fighting Truck
010297347
Tank Truck
004320004
Tank Truck
004174635
Threaded Pin-rivet
010100119
Aircraft Towing Wheeled Tractor
009261066
Warehouse Wheeled Tractor
004655869
Fork Lift Truck
013031484
Trailer Mounted Diesel Engine Generator Set
009399949
Pump Assembly
014746342
Liquid Fuel Filter-separator
010549779
Truck Mounted Crane
010549779
Truck Mounted Crane
010549779
Truck Mounted Crane
011399859
Low Speed Full Tracked Tractor
009037371
Tank Truck
011399859
Low Speed Full Tracked Tractor
014795371
Linear Actuating Cylinder Assembly
014795372
Linear Actuating Cylinder Assembly
006754239
Electric And Hydraulic System Components Test Stand
010284390
Tank Type Bituminous Material Distributor
004221047
Trailer Substation
009030899
Fork Lift Truck
004396242
Full Tracked Recovery Vehicle
000182021
Truck Mounted Crane
008725972
Gasoline Engine
011362139
Portable Duct Type Heater
008618088
Truck Mounted Crane-shovel
008618088
Truck Mounted Crane-shovel
001927249
Dump Truck
008618088
Truck Mounted Crane-shovel
009523926
Gasoline Engine
009523927
Gasoline Engine
001927249
Dump Truck
011431213
Tank Type Water Distributor
004070794
Fire Fighting Truck
001927249
Dump Truck
010830907
Brake Chamber Assem
010832502
Brake Chamber Assem
014750419
Fueling-defueling Centrifugal Pumping Unit
004070784
Fire Fighting Truck
001927249
Dump Truck
001927249
Dump Truck

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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