National Item Identification Number
01-531-2321
015312321
5305-01-531-2321
5305015312321
National Stock Number
Item Name
SCREW,MACHINE
Federal Supply Class
5305
Description
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
Commercial and Government Entity Code (Supplier Data)
1J955
Reference Numbers (Part Numbers)
19H2664
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD CLASS
THREAD DIRECTIO
Required Description
UNC
0.312 INCHES
2A
RIGHT-HAND
0.611 INCHES NOMINAL
0.750 INCHES NOMINAL
A
