5305-01-312-7246, SCREW,CAP,SOCKET HEAD

5305-01-312-7245 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-312-7246

Federal Supply Class:
5305

National Item Identification Number:
013127246

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:

6242949-139	D9182	ZF INDUSTRIEANTRIEBE WITTEN GMBH
6242949-39	53711	NAVAL SEA SYSTEMS COMMAND
FF-S-86	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS16996-39	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.375 INCHES
THREAD QUANTITY PER INCH	24
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.637 INCHES MINIMUM AND
	0.750 INCHES MAXIMUM
FASTENER LENGTH	0.720 INCHES MINIMUM AND
	0.750 INCHES MAXIMUM
MATERIAL	STEEL COMP 302 OR
	STEEL COMP 303 OR
	STEEL COMP 304 OR
	STEEL COMP 305 OR
	STEEL COMP 316 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT	CERAMIC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-81751 TY 1 CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
COLOR	GRAY/GREY OVERALL
HEAD STYLE	FLAT CHAMFER
HEAD DIAMETER	0.550 INCHES MINIMUM AND
	0.563 INCHES MAXIMUM
HEAD HEIGHT	0.368 INCHES MINIMUM AND
	0.375 INCHES MAXIMUM
INTERNAL DRIVE STYLE	HEXAGON
WIDTH ACROSS FLATS	0.3125 INCHES MINIMUM AND
	0.3160 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA	6 TYPE
DEPARTURE FROM CITED DOCUMENT	AS DIFFERENTIATED BY SURFACE FINISH
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	FF-S-86
MANUFACTURERS CODE	96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS16996-39

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