5305-01-631-9522 SCREW,CAP,SOCKET HEAD 5305-01-631-9456 SCREW,MACHINE

National Stock Number:
5305-01-631-9516

Federal Supply Class:
5305

National Item Identification Number:
016319516

Description:
SCREW,CAP,SOCKET HEAD


Manufacturer Information:
0.250-20UNC-2AX0.75CRES53711NAVAL SEA SYSTEMS COMMAND
709-8345733-042-01053711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
COUNTERSINK ANGLE45.0 DEGREES NOMINAL
FASTENER LENGTH0.750 INCHES NOMINAL
HEAD DIAMETER0.375 INCHES MAXIMUM
HEAD HEIGHT0.250 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONFF-S-86,TY VI FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.750 INCHES NOMINAL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH20
WIDTH ACROSS FLATS0.188 INCHES NOMINAL


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