5305-00-377-0625, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-377-0625

Federal Supply Class:
5305

National Item Identification Number:
003770625

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.

Manufacturer Information:

AN148859

81352

AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.375 INCHES
THREAD QUANTITY PER INCH	24
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.595 INCHES MINIMUM AND
	0.698 INCHES MAXIMUM
FASTENER LENGTH	0.678 INCHES MINIMUM AND
	0.698 INCHES MAXIMUM
MATERIAL	STEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND
	36.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE	FLAT CHAMFER
HEAD DIAMETER	0.562 INCHES NOMINAL
HEAD HEIGHT	0.360 INCHES MINIMUM AND
	0.380 INCHES MAXIMUM
INTERNAL DRIVE STYLE	HEXAGON
WIDTH ACROSS FLATS	0.313 INCHES MINIMUM AND
	0.315 INCHES MAXIMUM
HOLE CONFIGURATION STYLE	ROUND
HOLE TYPE	DRILLED
HOLE QUANTITY	6
HOLE DIAMETER	0.070 INCHES NOMINAL
SURFACE FINISH	63.0 MICROINCHES BEARING SURFACE OF HEAD
	63.0 MICROINCHES GRIP
	32.0 MICROINCHES THREADS
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81352
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	AN148859

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