NSN 5305-01-418-2331

Part Details | MACHINE SCREW

5305-01-418-2331 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: B1867BC040080, 5305-01-418-2331, 01-418-2331, 5305014182331, 014182331

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 23, 199501-418-233106657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-418-2331
Part Number Cage Code Manufacturer
B1867BC04008080204AMERICAN NATIONAL STANDARDSINSTITUTE, INCORPORATED
Technical Data | NSN 5305-01-418-2331
Characteristic Specifications
THREAD SERIES DESIGNATOR M
NOMINAL THREAD DIAMETER4.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS0.7
EXTERNAL THREAD TOLERANCE CLASS6G
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH7.3 MILLIMETERS MINIMUM
FASTENER LENGTH7.7 MILLIMETERS MINIMUM AND 8.3 MILLIMETERS MAXIMUM
SCREW MATERIAL STEEL PROPERTY CLASS 9.8
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONASTM F568 ASSN STD SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENT ZINC AND CHROMATE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633 TY 2 ASSN STD SINGLE TREATMENT RESPONSE
HEAD STYLE3 UNDERCUT HEXAGON
HEAD DIAMETER7.6 MILLIMETERS MINIMUM AND 8.0 MILLIMETERS MAXIMUM
HEAD HEIGHT2.8 MILLIMETERS MINIMUM AND 3.1 MILLIMETERS MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1