National Item Identification Number

01-518-1344
015181344
5305-01-518-1344
5305015181344

National Stock Number

Item Name

SCREW,CAP,HEXAGON HEAD

Federal Supply Class

5305

Description

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. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.

Commercial and Government Entity Code (Supplier Data)

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05047

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AMERICAN SOCIETY OF MECHANICAL
ENGINEERS THE INC
3 PARK AVE FL 21
NEW YORK
NY
10016
800-843-2763

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05047

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AMERICAN SOCIETY OF MECHANICAL
ENGINEERS THE INC
3 PARK AVE FL 21
NEW YORK
NY
10016
800-843-2763

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80204

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Reference Numbers (Part Numbers)

ASME B18.2.1
B1821AH075F250N
B1821AH075F250N

Required Categories

HEAD STYLE
III END ITEM IDENTIFICATION
III PART NAME ASSIGNED BY CONTROLLING A

Required Description

C1 HEXAGON
2350013050028,HOWITZER,MEDIUM,SELF-PROPELLED
SCREW,CAP,HEXAGON HEAD