National Item Identification Number

01-178-3695
011783695
5305-01-178-3695
5305011783695

National Stock Number

Item Name

SCREW,CAP,SOCKET HEAD

Federal Supply Class

5305

Referenced on: http://www.tpub.com/content/aviationgenmaint/TM-1-1270-476-23P/css/TM-1-1270-476-23P_308.htm
Referenced on: http://www.tpub.com/content/aviationgenmaint/TM-1-1270-476-23P/css/TM-1-1270-476-23P_334.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) 5305-01-178-3695, 5305011783695 NIIN (National Identification Number) 01-178-3695, 011783695

Part Numbers (Reference Numbers)

NAS1351N4-24

Required Categories

THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR

Required Description

UNRF
0.250 INCHES
28
3A
RIGHT-HAND
1.000 INCHES MINIMUM
1.460 INCHES MINIM