National Item Identification Number
01-506-1203
015061203
5305-01-506-1203
5305015061203
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)
Reference Numbers (Part Numbers)
FF-S-86
MS16995-66S316
MS16995-66S316
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.312 INCHES
18
3A
RIGHT-HAND
0.850 INCHES MINIMUM AND
1.000 INCHES MA