National Item Identification Number

01-426-8881
014268881
5305-01-426-8881
5305014268881

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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53711

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53711

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53711

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Reference Numbers (Part Numbers)

DA6501-66-84
FF-S-86 TIV
FF-S-86 TY IV
211069794
6404846 FIND 84

Required Categories

THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR

Required Description

UNRC
0.312 INCHES
18
3A
RIGHT-HAND
0.500 INCHES NOMINAL
0.500 INCHES NOMIN