5305-01-646-1478 SCREW,CLOSE TOLERANCE 5305-01-646-1880 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-646-1610

Federal Supply Class:
5305

National Item Identification Number:
016461610

Description:
SCREW,CAP,SOCKET HEAD


Manufacturer Information:
588-8278410 AY 98,IT 753711NAVAL SEA SYSTEMS COMMAND
J2295F468C3F04-N12B0U583SAE INTERNATIONAL
SAE J22950U583SAE INTERNATIONAL
SAE J229581343SOCIETY OF AUTOMOTIVE ENGINEERS INC
J2295F468C3F04-N12B81343SOCIETY OF AUTOMOTIVE ENGINEERS INC


Techincal Specification:
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
FASTENER LENGTH0.750 INCHES NOMINAL
HEAD DIAMETER0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
MATERIAL
PART NAME ASSIGNED BY CONTROLLING AGENCYHEX SOCKET FLAT COUNTERSUNK HEAD CAP SCREW
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD LENGTH0.375 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.156 INCHES NOMINAL


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