National Item Identification Number
01-287-2261
012872261
5305-01-287-2261
5305012872261
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)
80204
Reference Numbers (Part Numbers)
MIL-S-1222
3/8-16UNC 3A X 1/2 IN. LG.
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.375 INCHES
16
3A
RIGHT-HAND
0.345 INCHES MINIMUM
0.470 INCHES MINIMU
