National Item Identification Number

01-421-3757
014213757
5305-01-421-3757
5305014213757

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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Reference Numbers (Part Numbers)

0.25020UNC3A0.750T2G304SAA

Required Categories

DEPARTURE FROM CITED DOCUMENT
CRITICALITY CODE JUSTIFICATION
SPEC/STD CONTROLL

Required Description

MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT, MECHANICSBURG