National Item Identification Number

00-978-9387
009789387
5305-00-978-9387
5305009789387

National Stock Number

Item Name

SCREW,CAP,SOCKET HEAD

Federal Supply Class

5305

Referenced on: http://constructioncranes.tpub.com//TM-5-3810-232-34P/css/TM-5-3810-232-34P_1073.htm
Referenced on: http://constructioncranes.tpub.com//TM-5-3810-232-34P/css/TM-5-3810-232-34P_1269.htm
Referenced on: http://constructioncranes.tpub.com//TM-5-3810-232-34P/css/TM-5-3810-232-34P_1273.htm
Referenced on: http://www.tpub.com/content/misc_manuals_1/TM-11-5895-1146-24P/TM-11-5895-1146-24P0234.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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Reference Numbers (Part Numbers)

MS16997-68

Required Categories

THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR

Required Description

UNC
0.250 INCHES
20
3A
RIGHT-HAND
0.960 INCHES MINIMUM AND
1.000 INCHES MA