NSN 5305-00-638-0475

Part Details | MACHINE SCREW

5305-00-638-0475 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: 193436PC5, 5305-00-638-0475, 00-638-0475, 5305006380475, 006380475

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-638-047506657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-638-0475
Part Number Cage Code Manufacturer
193436PC510001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 5305-00-638-0475
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.630 INCHES MAXIMUM
FASTENER LENGTH1.610 INCHES MINIMUM AND 1.630 INCHES MAXIMUM
SCREW MATERIAL5$7$DST1120
HEAD STYLE HEXAGON
HEAD HEIGHT0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.562 INCHES NOMINAL
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1