5305-01-228-4690, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-228-4690

Federal Supply Class:
5305

National Item Identification Number:
012284690

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:

20097H3-6C-12Z	56878	SPS TECHNOLOGIES, LLC
3176207-B-157	10001	NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
3176207-B-157	44114	BAE SYSTEMS LAND & ARMAMENTS L.P.
FF-S-86	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC

Techincal Specification:

THREAD SERIES DESIGNATOR	UNRC
NOMINAL THREAD DIAMETER	0.375 INCHES
THREAD QUANTITY PER INCH	16
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.719 INCHES MINIMUM AND
	0.750 INCHES MAXIMUM
FASTENER LENGTH	0.719 INCHES MINIMUM AND
	0.750 INCHES MAXIMUM
MATERIAL	STEEL UNS K03104 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CHROMATE ZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633,TYPE 2,CLASS 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	38.0 ROCKWELL C MINIMUM AND
	45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	13200 POUNDS PER SQUARE INCH
HEAD STYLE	FLAT CHAMFER
HEAD DIAMETER	0.550 INCHES MINIMUM AND
	0.562 INCHES MAXIMUM
HEAD HEIGHT	0.368 INCHES MINIMUM AND
	0.375 INCHES MAXIMUM
INTERNAL DRIVE STYLE	HEXAGON
WIDTH ACROSS FLATS	0.312 INCHES MINIMUM AND
	0.316 INCHES MAXIMUM
HOLE CONFIGURATION STYLE	ROUND INTERNAL HEXAGON
HOLE TYPE	DRILLED
HOLE QUANTITY	6
HOLE DIAMETER	0.061 INCHES MINIMUM AND
	0.067 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA	81348-FF-S-86 GOVERNMENT SPECIFICATION
NONDEFINITIVE SPEC/STD DATA	6 TYPE AND
	3/8-16UNRC SIZE
DEPARTURE FROM CITED DOCUMENT	FF-S-86,PARAGRAPH 3.5.2,DRILLED HEAD
SUPPLEMENTARY FEATURES	MEETS ANSI B18.3,TABLES 1 AND 1A EXCEPT DRILLED HEAD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	FF-S-86

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