National Item Identification Number
01-191-4578
011914578
5305-01-191-4578
5305011914578
National Stock Number
Item Name
SCREW,CAP,SOCKET HEAD
Federal Supply Class
5305
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Referenced on: http://www.tpub.com/content/semis/TM-9-2330-330-14-P/TM-9-2330-330-14-P1026.htm
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Referenced on: http://www.tpub.com/content/semis/TM-9-2330-330-14-P/TM-9-2330-330-14-P1095.htmDescription
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)
NSN (National Stock Number) 5305-01-191-4578, 5305011914578 NIIN (National Identification Number) 01-191-4578, 011914578
Part Numbers (Reference Numbers)
FF-S-86
MS16997-20L
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.138 INCHES
32
3A
RIGHT-HAND
0.407 INCHES MINIMUM AND
0.500 INCHES MA