National Item Identification Number
01-253-2996
012532996
5305-01-253-2996
5305012532996
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)
D9182
06887
LOCKHEED MARTIN CORPORATION
DBA LOCKHEED MARTIN SPACE SYSTEMS
1111 LOCKHEED MARTIN WAY
SUNNYVALE
CA
94089
303-971-7384
Reference Numbers (Part Numbers)
2659514
508-2659514
508-2659514
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.250 INCHES
20
2A
RIGHT-HAND
0.495 INCHES MINIMUM AND
0.625 INCHES MA