NSN 5305-00-252-4637

Part Details | MACHINE SCREW

5305-00-252-4637 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: 105193406, 105193-406, 5305-00-252-4637, 00-252-4637, 5305002524637, 002524637

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUN 24, 197000-252-463706657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-252-4637
Part Number Cage Code Manufacturer
105193-40637695RAYTHEON COMPANYDBA RAYTHEON
Technical Data | NSN 5305-00-252-4637
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.164 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.376 INCHES MINIMUM
FASTENER LENGTH0.438 INCHES NOMINAL
SCREW MATERIAL COPPER ALLOY
SCREW SURFACE TREATMENT OXIDE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONFPS143-2 FSCM 37695 MFR REF SINGLE TREATMENT RESPONSE
HEAD STYLE8 UNDERCUT HEXAGON
HEAD DIAMETER0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM
HEAD HEIGHT0.120 INCHES NOMINAL
INTERNAL DRIVE STYLE0 CROSS RECESS TYPE 1