National Item Identification Number

01-470-1892
014701892
5305-01-470-1892
5305014701892

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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50024

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FAIRBANKS MORSE ENGINE
DIV FAIRBANKS MORSE ENGINE
701 WHITE AVE
BELOIT
WI
53511
608-364-8414

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Reference Numbers (Part Numbers)

21523511-1

Required Categories

NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
III END ITEM IDENTIFICATION;

Required Description

0.3125 INCHES
18
ALCO 251 MARINE DIESEL ENGINE
CAPSCREW,COUPLING TO SHAFT