Model: ANSI-B18.2.1

Hexagon Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.750 inches and 0.938 inches

Fastener Length

2.000 inches

Head Style

Hexagon

Head Height

Between 0.150 inches and 0.163 inches

Width Between Flats

Between 0.428 inches and 0.438 inches

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

120000 pounds per square inch

Hardness Rating

23.0 rockwell c and 32.0 rockwell c

Minimum Yield Strength

85000 pounds per square inch

Material

Steel

Material Specification

Sae gr 5 assn standard single material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Sae-ams-qq-p-416 assn standard single treatment response

Thread Series Designator

Unc

NSN

5305-00-071-2237

Part Number

ANSI-B18.2.1

Description

Screw,cap,hexagon Head

CAGE

80204

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

Part ANSI-B18.2.1 NSN 5305-00-071-2237

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

18257

FIIG:

A003B0

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

End Items End applications NSN 5305-00-071-2237 is a component of

013719584
Utility Truck
012238436
Fork Lift Truck
012238437
Fork Lift Truck
005536061
Teletypewriter
013723934
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007520603
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Video Amplifier
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Teletypewriter Set
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Diesel Engine Generator Set
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Diesel Engine Generator Set
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Diesel Engine Generator Set
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Reciprocating Compressor Unit
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Diesel Engine Generator Set
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Diesel Engine Generator Set
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Air Conditioner
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High Speed Buffer
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Centrifugal Pump Unit
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Multiplexer
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Semitrailer Mounted Petroleum Laboratory
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Telegraph Terminal
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Fire Fighting Truck
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Power Panel Dist
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Fire Fighting Truck
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Aircraft Cargo Loading-unloading Truck
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Air Conditioner
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Fork Lift Truck
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Diesel Engine Generator Set
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Cargo Carrier
011044748
Radio Terminal Set
013808233
Utility Truck
008087100
Armored Dozer-scraper Combination Full Tracked Tractor
011467191
Utility Truck
004651030
Diesel Engine Generator Set
007258357
Motor-generator
012679479
Radio Set
012114122
Communicat Terminal
013719582
Utility Truck
005538915
Motor-generator
009857574
Distribution Box
006847579
Reciprocating Compressor Unit
007391600
Rotary Compressor Unit
001181245
Diesel Engine Generator Set
007156171
Manual Telephone Switchboard
007386342
Trailer Mounted Diesel Engine Generator Set
004651030
Diesel Engine Generator Set
001181253
Diesel Engine Generator Set
013808213
Utility Truck
013723935
Ambulance Truck
011368745
Cargo Carrier
011519921
Radio Set
011467194
Ambulance Truck
011467188
Utility Truck
009358729
Diesel Engine Generator Set
004756573
Diesel Engine Generator Set
013733625
Fork Lift Truck
012177310
Telephone Set
012747387
Diesel Engine Generator Set
000178241
Gasoline Engine Generator Set
013719579
Utility Truck
007520603
Radar Set
007520632
Antenna
012973357
Tank Type Water Distributor
000178241
Gasoline Engine Generator Set
009260843
Gasoline Engine Generator Set
010769947
Antenna Group
011289551
Utility Truck
002531513
Tactical Imagery In
003176448
Low Bed Semitrailer
010776249
Communication System
012755061
Diesel Engine Generator Set
009030899
Fork Lift Truck
002897515
Low Bed Semitrailer
013719581
Utility Truck
014750419
Fueling-defueling Centrifugal Pumping Unit
005032764
Teletypewriter
011077153
Utility Truck
000178240
Gasoline Engine Generator Set
005190103
Power Supply
011004162
Fork Lift Truck
011225894
Gate
013719580
Utility Truck
001387990
Radio Receiver-transmitter
000178241
Gasoline Engine Generator Set
014125345
Warehouse Crane Truck
009308079
Multiplexer
010573968
Flight Coordination
008285810
Armature Test Set
014125345
Warehouse Crane Truck
006577534
90 Millimeter Recoilless Rifle
013719583
Utility Truck
009308078
Multiplexer
014817261
Valve Assembly
014527398
Gasket
010574037
Radio Set
011467193
Utility Truck
010586292
Nonexpandable Shelter
011467187
Utility Truck
013808229
Utility Truck
013723932
Utility Truck
013719585
Ambulance Truck
010969356
Cargo Carrier
013808225
Ambulance Truck
011467189
Utility Truck
013808604
Utility Truck
005430012
Telephone Set
011077156
Utility Truck
010549779
Truck Mounted Crane
008920622
Radio Receiver-transmitter
009354931
Radio Set
011112274
Ambulance Truck
000698795
Telegraph-telephone Signal Converter
011467190
Utility Truck
000178240
Gasoline Engine Generator Set
009358729
Diesel Engine Generator Set
010901240
S Communication Set
013469317
Utility Truck
013018250
Fork Lift Truck
013719578
Utility Truck
011289552
Utility Truck
004655869
Fork Lift Truck
013723933
Utility Truck

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Schedule B and Export

Schedule B: 7318152000
SITC: 69421
End Use: Iron and steel products, other
NAICS: 332722
USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment