National Item Identification Number

00-983-7437
009837437
5305-00-983-7437
5305009837437

National Stock Number

Item Name

SCREW,CAP,SOCKET HEAD

Federal Supply Class

5305

Referenced on: http://www.tpub.com/content/misc_manuals_2/TM-9-2350-256-24P-2/TM-9-2350-256-24P-20145.htm
Referenced on: http://www.tpub.com/content/misc_manuals_2/TM-9-2350-256-24P-2/TM-9-2350-256-24P-20152.htm
Referenced on: http://www.tpub.com/content/misc_manuals_2/TM-9-2350-256-24P-2/TM-9-2350-256-24P-20201.htm

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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NSN (National Stock Number) 5305-00-983-7437, 5305009837437 NIIN (National Identification Number) 00-983-7437, 009837437

Part Numbers (Reference Numbers)

MS16998-89

Required Categories

THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR

Required Description

UNF
0.438 INCHES
20
3A
RIGHT-HAND
1.325 INCHES MINIMUM AND
1.375 INCHES MA