5305-01-381-9870, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-381-9870

Federal Supply Class:
5305

National Item Identification Number:
013819870

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:

12387270-62	01417	GENERAL DYNAMICS LAND SYSTEMS INC.
12387270-62	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
5305013819870	A00AM	E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE

Techincal Specification:

COLOR	BUFF OR OLIVE DRAB OVERALL
FASTENER LENGTH	0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
HARDNESS RATING	39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT	0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL UNS K03104 OVERALL
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.250 INCHES
WIDTH ACROSS FLATS	0.1875 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-STD-171, FINISH 1.9.2.3, 0.0003 IN. THK MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ZINC AND CHROMATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.900 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	20

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