NSN 5305-01-158-8280

Part Details | HEXAGON HEAD CAP SCREW

5305-01-158-8280 An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes BOLT,MACHINE; BOLT,EXTERNALLY RELIEVED BODY; BOLT,INTERNAL WRENCHING; and SCREW,CAP,SOCKET HEAD.

Alternate Parts: 14072447, 14072447, 5305-01-158-8280, 01-158-8280, 5305011588280, 011588280

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 30, 198301-158-828018257 ( SCREW, CAP, HEXAGON HEAD )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

Cross Reference | NSN 5305-01-158-8280
Part Number Cage Code Manufacturer
1407244711862GENERAL MOTORS CORPCHEVROLET MOTOR DIV
140724477X677GENERAL MOTORS LLCDBA GENERAL MOTORS
Technical Data | NSN 5305-01-158-8280
Characteristic Specifications
THREAD SERIES DESIGNATOR UNRC
THREAD LENGTH0.800 INCHES MINIMUM
FASTENER LENGTH0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM
HEAD STYLE DISHED HEXAGON
THREAD DIRECTION RIGHT-HAND
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
HEAD HEIGHT0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
SPECIAL FEATURESCOLOR BLACK; FURNISHED WITH A SPRING TENSION WASHER 0.067 MIN. AND 0.076 MAX. IN. THICK AND AN OUTSIDE DIA. 0.743 MIN. AND 0.765 MAX. IN.