NSN 5305-01-203-8343

Part Details | MACHINE SCREW

5305-01-203-8343 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: B4015718, 5305-01-203-8343, 01-203-8343, 5305012038343, 012038343

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 20, 198501-203-834306657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-203-8343
Part Number Cage Code Manufacturer
B401571856996DEPARTMENT OF THE ARMY HQUNITED STATES ARMY COMMUNICATIONS
Technical Data | NSN 5305-01-203-8343
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.690 INCHES NOMINAL
FASTENER LENGTH0.750 INCHES NOMINAL
SCREW MATERIAL STEEL COMP 303
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONASTMA582 ASSN STD SINGLE MATERIAL RESPONSE
HEAD STYLE8 DISHED HEXAGON
HEAD DIAMETER0.984 INCHES MINIMUM AND 0.994 INCHES MAXIMUM
HEAD HEIGHT0.700 INCHES MINIMUM
INTERNAL DRIVE STYLE0 CROSS RECESS TYPE 1