National Item Identification Number
01-443-7149
014437149
5305-01-443-7149
5305014437149
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)
36090
LOCKHEED MARTIN LIBRASCOPE
CORP
811 SONORA DR
GLENDALE
CA
91201
703-367-5485
Reference Numbers (Part Numbers)
L320001149
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.250 INCHES
20
3A
RIGHT-HAND
0.500 INCHES MINIMUM
1.312 INCHES NOMINA