NSN 5305-00-639-4753

Part Details | MACHINE SCREW

5305-00-639-4753 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: 9407439, 5305-00-639-4753, 00-639-4753, 5305006394753, 006394753

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-639-475306657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-639-4753
Part Number Cage Code Manufacturer
940743919207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 5305-00-639-4753
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.086 INCHES
THREAD QUANTITY PER INCH56
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.500 INCHES MINIMUM
FASTENER LENGTH0.500 INCHES NOMINAL
SCREW MATERIAL0$DST1020
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD ALL MATERIAL RESPONSES
SCREW SURFACE TREATMENT0$DZNA000
HEAD STYLE0 UNDERCUT HEXAGON
HEAD DIAMETER0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM
HEAD HEIGHT0.041 INCHES MINIMUM AND 0.046 INCHES MAXIMUM
INTERNAL DRIVE STYLE0 CROSS RECESS TYPE 1