NSN 5305-00-172-6390

Part Details | MACHINE SCREW

5305-00-172-6390 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: 40415, 40-415, 5305-00-172-6390, 00-172-6390, 5305001726390, 001726390

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 27, 197200-172-639006657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-172-6390
Part Number Cage Code Manufacturer
40-41509393ROCHESTER GAUGES, INC.
Technical Data | NSN 5305-00-172-6390
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.875 INCHES MINIMUM
FASTENER LENGTH0.875 INCHES MINIMUM AND 0.906 INCHES MAXIMUM
SCREW MATERIAL STEEL
SCREW SURFACE TREATMENT ZINC AND CHROMATE
HEAD STYLE3 DISHED HEXAGON
HEAD DIAMETER0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM
HEAD HEIGHT0.194 INCHES MINIMUM AND 0.211 INCHES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1