National Item Identification Number
01-341-8920
013418920
5305-01-341-8920
5305013418920
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
25685
NAVAL SHIP ENGINEERING CENTER
PHILADELPHIA DIVISION
PHILADELPHIA
PA
19112
215-226-6858
80204
53711
53711
Reference Numbers (Part Numbers)
MIL-S-1222
MILS1222 .438-1 4UNRC-3AX1.500L
MILS1222TYII7/16-14UNRC-3AX11/2L
M
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.438 INCHES
14
3A
RIGHT-HAND
1.357 INCHES NOMINAL
1.500 INCHES NOMINA