National Item Identification Number

00-450-4021
004504021
5305-00-450-4021
5305004504021

National Stock Number

Item Name

SCREW,CAP,SOCKET HEAD

Federal Supply Class

5305

Description

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.

Commercial and Government Entity Code (Supplier Data)

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03038

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37695

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Reference Numbers (Part Numbers)

LL56G48P3
107256-1017

Required Categories

THREAD SERIES DESIGNATOR
THREAD CLASS
THREAD DIRECTION
THREAD LENGTH
FASTENE

Required Description

UNF
2A
RIGHT-HAND
0.188 INCHES MINIMUM
0.188 INCHES NOMINAL
STEEL CORROSION