NSN 5305-00-174-3908

Part Details | MACHINE SCREW

5305-00-174-3908 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: 63978PC4, SP9069, 5305-00-174-3908, 00-174-3908, 5305001743908, 001743908

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-174-390806657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-174-3908
Part Number Cage Code Manufacturer
63978PC410001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
SP906910001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 5305-00-174-3908
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.500 INCHES MINIMUM
FASTENER LENGTH0.700 INCHES MINIMUM AND 0.720 INCHES MAXIMUM
SCREW MATERIAL7$8
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-16124 CL 1 COMP A OR B MIL SPEC SINGLE MATERIAL RESPONSE
HEAD STYLE8 DISHED HEXAGON
HEAD DIAMETER0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
HEAD HEIGHT0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
INTERNAL DRIVE STYLE0 CROSS RECESS TYPE 1