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		                        | National Stock Number:
 5305-01-255-3589
 
 Federal Supply Class:
 5305
 
 National Item Identification Number:
 012553589
 
 Description:
 SETSCREW
 
 Detail:
 An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.
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 Manufacturer Information:
 
 | 12335480 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | 
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 Techincal Specification:
 
 | THREAD SERIES DESIGNATOR | UNC |  | NOMINAL THREAD DIAMETER | 0.250 INCHES |  | THREAD QUANTITY PER INCH | 20 |  | THREAD CLASS | 2A |  | THREAD DIRECTION | RIGHT-HAND |  | FASTENER LENGTH | 0.660 INCHES NOMINAL |  | MATERIAL | STEEL COMP 301 OR |  |  | STEEL COMP 302 OR |  |  | STEEL COMP 302B OR |  |  | STEEL COMP 303 OR |  |  | STEEL COMP 303SE OR |  |  | STEEL COMP 304 OR |  |  | STEEL COMP 304L OR |  |  | STEEL COMP 305 OR |  |  | STEEL COMP 308 OR |  |  | STEEL COMP 309 OR |  |  | STEEL COMP 309S OR |  |  | STEEL COMP 310 OR |  |  | STEEL COMP 310S OR |  |  | STEEL COMP 314 OR |  |  | STEEL COMP 316 OR |  |  | STEEL COMP 316L OR |  |  | STEEL COMP 317 OR |  |  | STEEL COMP 321 OR |  |  | STEEL COMP 347 OR |  |  | STEEL COMP 348 OR |  |  | STEEL COMP 384 OR |  |  | STEEL COMP 385 OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |  | SURFACE TREATMENT | PASSIVATE OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |  | HARDNESS RATING | 80.0 BRINELL STANDARD MINIMUM OVERALL |  | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |  | MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH |  | HEAD STYLE | HEXAGON |  | HEAD HEIGHT | 0.150 INCHES MINIMUM AND |  |  | 0.163 INCHES MAXIMUM |  | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND |  |  | 0.437 INCHES MAXIMUM |  | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |  | POINT STYLE | DOG |  | POINT LENGTH | 0.160 INCHES NOMINAL |  | POINT DIAMETER | 0.170 INCHES NOMINAL | 
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