National Item Identification Number

00-851-5891
008515891
5305-00-851-5891
5305008515891

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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03038

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03038

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Reference Numbers (Part Numbers)

LL5XD26J3
LL57XD26J3

Required Categories

THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR

Required Description

UNC
0.086 INCHES
56
3A
RIGHT-HAND
0.137 INCHES MINIMUM
0.188 INCHES NOMINA