NSN 5305-00-144-1478

Part Details | MACHINE SCREW

5305-00-144-1478 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: MS912308, MS9123-08, MS9123, 5305-00-144-1478, 00-144-1478, 5305001441478, 001441478

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 17, 196900-144-147806657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-144-1478
Part Number Cage Code Manufacturer
MS9123-0896906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
MS912396906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
Technical Data | NSN 5305-00-144-1478
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.740 INCHES MINIMUM AND 0.820 INCHES MAXIMUM
FASTENER LENGTH0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM
SCREW MATERIAL STEEL COMP 8740
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENT CADMIUM
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE
HEAD STYLE HEXAGON
HEAD HEIGHT0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
INTERNAL DRIVE STYLE0 CROSS RECESS TYPE 1