National Item Identification Number
01-270-3051
012703051
5305-01-270-3051
5305012703051
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
53711
D9182
96169
Reference Numbers (Part Numbers)
FF-S-86
MILS1222TYII1/2 -13UNC-3AX1-1/4
203-4678501 ITEM 17
211040230
518-46
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.500 INCHES
13
3A
RIGHT-HAND
1.096 INCHES MINIMUM AND
1.250 INCHES MA