NSN 5305-01-439-8121

Part Details | MACHINE SCREW

5305-01-439-8121 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.

Alternate Parts: 211041532, 646593MPTDB25, 646593-MPTD-B25, 6406593MTPDB25, 6406593-MTPD-B25, 6406593MTPDA25, 6406593-MTPD-A25, 1676404330 FIND 85, 167-6404330 FIND 85, 5305-01-439-8121, 01-439-8121, 5305014398121, 014398121

REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

CROSS RECESS TYPE 1