5305-01-644-7256 SCREW,CAP,HEXAGON HEAD 5305-01-644-7865 SCREW,MACHINE

National Stock Number:
5305-01-644-7665

Federal Supply Class:
5305

National Item Identification Number:
016447665

Description:
SCREW,CAP,SOCKET HEAD


Manufacturer Information:
P114121-0.750DSS-1251506ACCURATE SCREW MACHINE CORP


Techincal Specification:
FASTENER LENGTH0.750 INCHES NOMINAL
HEAD DIAMETER0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURESLETTER "D" INDICATES RETAINER WITH SHANK LENGTH R1=0.144 INCHES. ITEM HAS LEAD POINT
SURFACE TREATMENTPASSIVATE OVERALL
THREAD LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH20
WIDTH ACROSS FLATS0.175 INCHES NOMINAL


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