5305-01-080-4494, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-080-4494

Federal Supply Class:
5305

National Item Identification Number:
010804494

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:

3176207-C-037	10001	NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
5305PL1258664	9009H	INSPEKTORAT WSPARCIA SIL ZBROJNYCH

Techincal Specification:

THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.164 INCHES
THREAD QUANTITY PER INCH	32
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.313 INCHES MINIMUM AND
	0.375 INCHES MAXIMUM
FASTENER LENGTH	0.375 INCHES NOMINAL
MATERIAL	PLASTIC POLYAMIDE LOCKING FEATURE
	STEEL BEARING SURFACE OF HEAD
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-F-18240 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE
	ASTM A574, 1300 SERIES ASSN STD ALL MATERIAL RESPONSES FASTENER
SURFACE TREATMENT	ZINC AND
	CHROMATE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633, TYPE 2, CLASS FE/ZM 5 ASSN STD ALL TREATMENT RESPONSES 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	0.262 INCHES MINIMUM AND
	0.270 INCHES MAXIMUM
HEAD HEIGHT	0.159 INCHES MINIMUM AND
	0.164 INCHES MAXIMUM
INTERNAL DRIVE STYLE	HEXAGON
WIDTH ACROSS FLATS	0.141 INCHES NOMINAL
LOCKING FEATURE	PATCH THREADS
THE MANUFACTURERS DATA
MANUFACTURERS CODE	10001
DESIGN CONTROL REFERENCE	3176207-C-037

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