National Item Identification Number
00-228-3903
002283903
5305-00-228-3903
5305002283903
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)
07873
AIR FORCE WEAPONS LABORATORY
KIRTLAND AFB
NM
87117
Reference Numbers (Part Numbers)
FO9603-86-M-4171
67B13117-7
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNF
0.312 INCHES
24
3A
RIGHT-HAND
0.397 INCHES MINIMUM AND
0.417 INCHES MA