NSN 5305-01-064-0497

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-064-0497 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: 10851831, 1085183-1, 29198531, 2919853-1, 5305-01-064-0497, 01-064-0497, 5305010640497, 010640497

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 16, 197801-064-049701852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 5305-01-064-0497
Part Number Cage Code Manufacturer
1085183-156232LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
2919853-110001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 5305-01-064-0497
Characteristic Specifications
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.438 INCHES MINIMUM
FASTENER LENGTH0.672 INCHES NOMINAL
HEAD DIAMETER0.312 INCHES NOMINAL
HEAD HEIGHT0.328 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.234 INCHES NOMINAL
SPECIAL FEATURESTHREADED END OF SCREW SLOTTED TO A DEPTH OF 0.062 IN. NOM AND A WIDTH OF 0.031 IN. NOM