National Item Identification Number

00-455-9971
004559971
5305-00-455-9971
5305004559971

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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Reference Numbers (Part Numbers)

FFS92
LK21093-0831
MS21093-0831
MS21093-0831

Required Categories

THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR

Required Description

UNC
0.164 INCHES
32
2A
RIGHT-HAND
0.147 INCHES MINIMUM AND
0.250 INCHES MA