National Item Identification Number

00-989-0502
009890502
5305-00-989-0502
5305009890502

National Stock Number

Item Name

SCREW,CAP,SOCKET HEAD

Federal Supply Class

5305

Referenced on: http://www.tpub.com/content/misc_manuals_2/TM-9-2350-222-34P-2/TM-9-2350-222-34P-20512.htm
Referenced on: http://www.tpub.com/content/misc_manuals_2/TM-9-2350-222-34P-2/TM-9-2350-222-34P-20529.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) 5305-00-989-0502, 5305009890502 NIIN (National Identification Number) 00-989-0502, 009890502

Part Numbers (Reference Numbers)

LK21262-44
MS21262-44
MS21262-44

Required Categories

THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR

Required Description

UNF
0.250 INCHES
28
3A
RIGHT-HAND
0.664 INCHES MINIMUM AND
0.694 INCHES MA