NSN 5305-01-251-2915

Part Details | HEXAGON HEAD CAP SCREW

5305-01-251-2915 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: 60013657A, 60-01-3657A, 218001937, MILB857TYB, MIL-B-857TYB, 5165343926 PIECE 18, 516-5343926 PIECE 18, 5017055651 ITEM 19, 501-7055651 ITEM 19, 5305-01-251-2915, 01-251-2915, 5305012512915, 012512915

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 16, 198701-251-291518257 ( SCREW, CAP, HEXAGON HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5305-01-251-2915
Part Number Cage Code Manufacturer
60-01-3657A96169ELECTRIC BOAT CORPORATION
21800193796169ELECTRIC BOAT CORPORATION
MIL-B-857TYB81349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
516-5343926 PIECE 1853711NAVAL SEA SYSTEMS COMMAND
501-7055651 ITEM 1953711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 5305-01-251-2915
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
THREAD LENGTH1.596 INCHES MINIMUM AND 1.750 INCHES MAXIMUM
FASTENER LENGTH1.690 INCHES MINIMUM AND 1.790 INCHES MAXIMUM
HEAD STYLE HEXAGON
THREAD DIRECTION RIGHT-HAND
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH13
THREAD CLASS2A
HEAD HEIGHT0.302 INCHES MINIMUM AND 0.364 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.850 INCHES MINIMUM AND 0.875 INCHES MAXIMUM