NSN 5305-00-638-3639

Part Details | MACHINE SCREW

5305-00-638-3639 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: 90524, 90524, 805244T, 5305-00-638-3639, 00-638-3639, 5305006383639, 006383639

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-638-363906657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5305-00-638-3639
Part Number Cage Code Manufacturer
9052470408AT AND T CORP
9052457712TELEMECHANICS INC
805244T80063US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS
Technical Data | NSN 5305-00-638-3639
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.112 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.459 INCHES MINIMUM
FASTENER LENGTH0.521 INCHES NOMINAL
SCREW MATERIAL STEEL
SCREW SURFACE TREATMENT NICKEL
HEAD STYLE HEXAGON
HEAD HEIGHT0.041 INCHES NOMINAL
WIDTH BETWEEN FLATS0.188 INCHES NOMINAL
FEATURES PROVIDED CASEHARDENED