NSN 5305-00-177-5597

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-177-5597 An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.

Alternate Parts: MA31021180, MA310-21180, 11639536, 11639536, 5305-00-177-5597, 00-177-5597, 5305001775597, 001775597

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 21, 196900-177-559701852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-177-5597
Part Number Cage Code Manufacturer
MA310-2118034623AM GENERAL LLC
11639536T0720FNSS SAVUNMA SISTEMLERI A.S.
1163953619207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 5305-00-177-5597
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.320 INCHES MINIMUM AND 0.335 INCHES MAXIMUM
FASTENER LENGTH1.250 INCHES MINIMUM AND 1.280 INCHES MAXIMUM
HEAD STYLE2 DISHED HEXAGON
HEAD DIAMETER0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM
HEAD HEIGHT0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1