5305-01-366-1141, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-366-1141

Federal Supply Class:
5305

National Item Identification Number:
013661141

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:

FF-S-86	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
NAS1351C8LN44	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

FASTENER LENGTH	1.250 INCHES NOMINAL
HARDNESS RATING	33.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	0.921 INCHES MINIMUM AND 0.937 INCHES MAXIMUM
HEAD HEIGHT	0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	HEXAGON
LOCKING FEATURE	PELLET THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A493 ASSN STD ALL MATERIAL RESPONSES FASTENER
MATERIAL	PLASTIC POLYAMIDE (NYLON) LOCKING FEATURESTEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 FASTENER
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.500 INCHES
SPECIFICATION/STANDARD DATA	80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH ACROSS FLATS	0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,CL 2,TY 2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT	CADMIUM AND CHROMATE FASTENER
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	3A
THREAD LENGTH	1.150 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNRF
THREAD QUANTITY PER INCH	20

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