5305-01-495-4314, SCREW,CAP,SOCKET HEAD

2530-01-495-4315 VALVE,RELAY,AIR PRESSURE

National Stock Number:
5305-01-495-4314

Federal Supply Class:
5305

National Item Identification Number:
014954314

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:

B1831BH120040N

80204

AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED

Techincal Specification:

THREAD SERIES DESIGNATOR	M
NOMINAL THREAD DIAMETER	12.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS	1.75
EXTERNAL THREAD TOLERANCE CLASS	4G6G
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	40.0 MILLIMETERS NOMINAL
FASTENER LENGTH	39.7 MILLIMETERS MINIMUM AND
	40.3 MILLIMETERS MAXIMUM
MATERIAL	STEEL PROPERTY CLASS 12.9 OVERALL
SURFACE TREATMENT	ZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633,FE/ZN5,TY 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE	FLAT CHAMFER
HEAD DIAMETER	17.63 MILLIMETERS MINIMUM AND
	18.00 MILLIMETERS MAXIMUM
HEAD HEIGHT	11.79 MILLIMETERS MINIMUM AND
	12.00 MILLIMETERS MAXIMUM
INTERNAL DRIVE STYLE	HEXAGON
WIDTH ACROSS FLATS	10.03 MILLIMETERS MINIMUM AND
	10.13 MILLIMETERS MAXIMUM

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