5305-01-277-7317, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-277-7317

Federal Supply Class:
5305

National Item Identification Number:
012777317

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:

315274 PC 74	34712	LAKE SHORE SYSTEMS, INC.
FF-S-86	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
PL-315274 PC 74	34712	LAKE SHORE SYSTEMS, INC.
NAS1352-6LN16	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

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	0.845 INCHES MINIMUM AND
	1.000 INCHES MAXIMUM
FASTENER LENGTH	0.970 INCHES MINIMUM AND
	1.000 INCHES MAXIMUM
MATERIAL	STEEL FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	SAE J429 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
SURFACE TREATMENT	OXIDE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER
HARDNESS RATING	39.0 ROCKWELL C MINIMUM AND
	45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	155000 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	0.3125 INCHES MINIMUM AND
	0.3160 INCHES MAXIMUM
LOCKING FEATURE	PELLET THREADS
SURFACE FINISH	63.0 MICROINCHES BEARING SURFACE OF HEAD
	32.0 MICROINCHES THREADS
SPECIFICATION/STANDARD DATA	80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	FF-S-86

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