NSN 5305-01-141-6637

Part Details | MACHINE SCREW

5305-01-141-6637 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: MS5195980B, MS51959-80B, 5305-01-141-6637, 01-141-6637, 5305011416637, 011416637

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 03, 198201-141-663706657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-141-6637
Part Number Cage Code Manufacturer
MS51959-80B96906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
Technical Data | NSN 5305-01-141-6637
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.625 INCHES NOMINAL
FASTENER LENGTH0.625 INCHES NOMINAL
SCREW MATERIAL STEEL CORROSION RESISTING
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED STD SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENT OXIDE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE
HEAD STYLE9 DISHED HEXAGON
HEAD DIAMETER0.477 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
COUNTERSINK ANGLE81.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1