National Item Identification Number
01-408-9531
014089531
5305-01-408-9531
5305014089531
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
53711
Reference Numbers (Part Numbers)
FFS86TYIV5/16-1 8UNRC-3AX11/4LS
FFS86TYIV5/16-18UNRC-3AX11/4SLF
585-6406620-12
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNRC
0.312 INCHES
18
3A
1.250 INCHES NOMINAL
NICKEL ALLOY K-500 OVERALL
C5