National Item Identification Number
01-353-8264
013538264
5305-01-353-8264
5305013538264
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
96169
Reference Numbers (Part Numbers)
MIL-F-18240
MIL-F-18240 .25 -20UNC-3AX.5LG
2641-405-01 ITEM 126
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.250 INCHES
A20
3A
RIGHT-HAND
0.500 INCHES NOMINAL
81349
MIL-F-18240