5305-01-378-8129, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-378-8129

Federal Supply Class:
5305

National Item Identification Number:
013788129

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:

12387270-99	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
5305013788129	A00AM	E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE
LS1091335-99	01417	GENERAL DYNAMICS LAND SYSTEMS INC.

Techincal Specification:

COLOR	BRONZE 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	0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
HEAD HEIGHT	0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	FED 66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.375 INCHES
WIDTH ACROSS FLATS	0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH	32.0 MICROINCHES FASTENER
SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	A000 FED STD 3RD TREATMENT RESPONSE AND A000 FED STD 10TH TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.875 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	16

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