5305-01-644-3228 SCREW,CAP,HEXAGON HEAD 5305-01-644-4559 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-644-3277

Federal Supply Class:
5305

National Item Identification Number:
016443277

Description:
SCREW,CAP,HEXAGON HEAD


Manufacturer Information:
12543065-00519207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
FASTENER LENGTH2.500 INCHES MAXIMUM
HEAD HEIGHT0.163 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, CAP, HEX
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURESMATERIAL IS STEEL, GRADE 5. PROTECTIVE FINISH IAW 12424710, METHOD 4.
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.750 INCHES NOMINAL
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS0.438 INCHES MAXIMUM


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