5305-01-422-7278, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-422-7278

Federal Supply Class:
5305

National Item Identification Number:
014227278

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:

NAS1351-4LE24P

80205

NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

FASTENER LENGTH	1.460 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
HARDNESS RATING	37.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM FASTENER
HEAD DIAMETER	0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT	0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	HEXAGON
LOCKING FEATURE	PATCH OR PELLET OR STRIP THREADS
MATERIAL	PLASTIC POLYAMIDE NYLON LOCKING FEATURE
MATERIAL	STEEL UNS K03104 FASTENER
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.250 INCHES
SPECIFICATION/STANDARD DATA	80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH ACROSS FLATS	0.187 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 2 FED SPEC ALL TREATMENT RESPONSES FASTENER
SURFACE TREATMENT	CADMIUM AND CHROMATE FASTENER
THREAD CLASS	3
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.000 INCHES MINIMUM
THREAD SERIES DESIGNATOR	UNRF
THREAD QUANTITY PER INCH	28

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