5305-01-025-4832, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-025-4832

Federal Supply Class:
5305

National Item Identification Number:
010254832

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:

FF-S-86	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS16997-169	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.625 INCHES
THREAD QUANTITY PER INCH	11
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.008 INCHES MINIMUM AND
	2.250 INCHES MAXIMUM
FASTENER LENGTH	1.190 INCHES MINIMUM AND
	2.250 INCHES MAXIMUM
MATERIAL	STEEL OVERALL
SURFACE TREATMENT	CADMIUM AND
	CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
HARDNESS RATING	38.0 ROCKWELL C MINIMUM AND
	45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	170000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	150000 POUNDS PER SQUARE INCH
HEAD STYLE	FLAT CHAMFER
HEAD DIAMETER	0.921 INCHES MINIMUM AND
	0.938 INCHES MAXIMUM
HEAD HEIGHT	0.616 INCHES MINIMUM AND
	0.625 INCHES MAXIMUM
INTERNAL DRIVE STYLE	HEXAGON
WIDTH ACROSS FLATS	0.500 INCHES MINIMUM AND
	0.505 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA	6 TYPE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	FF-S-86
MANUFACTURERS CODE	96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS16997-169

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