5305-01-305-9199, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-305-9199

Federal Supply Class:
5305

National Item Identification Number:
013059199

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:

MS16997-152	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS16997-152(CHROME)	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG

Techincal Specification:

THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.500 INCHES
THREAD QUANTITY PER INCH	13
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.670 INCHES MINIMUM AND
	1.750 INCHES MAXIMUM
FASTENER LENGTH	3.920 INCHES MINIMUM AND
	4.000 INCHES MAXIMUM
MATERIAL	STEEL OVERALL
SURFACE TREATMENT	CHROMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-23422 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND
	45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	130000 POUNDS PER SQUARE INCH
HEAD STYLE	FLAT CHAMFER
HEAD DIAMETER	0.735 INCHES MINIMUM AND
	0.750 INCHES MAXIMUM
HEAD HEIGHT	0.492 INCHES MINIMUM AND
	0.500 INCHES MAXIMUM
INTERNAL DRIVE STYLE	HEXAGON
WIDTH ACROSS FLATS	0.375 INCHES MINIMUM AND
	0.379 INCHES MAXIMUM
DEPARTURE FROM CITED DOCUMENT	MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATION	ZZZW
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	96906
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS16997-152

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