NSN 5305-00-525-1621

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-525-1621 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: 99562, 5305-00-525-1621, 00-525-1621, 5305005251621, 005251621

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-525-162101852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5305-00-525-1621
Part Number Cage Code Manufacturer
9956206650BELL AND HOWELL PHILLIPSBURG COCORPORATE OFFICES
Technical Data | NSN 5305-00-525-1621
Characteristic Specifications
THREAD CLASS2A
THREAD LENGTH0.328 INCHES NOMINAL
FASTENER LENGTH0.375 INCHES NOMINAL
HEAD STYLE HEXAGON
HEAD HEIGHT0.055 INCHES NOMINAL
WIDTH BETWEEN FLATS0.188 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.093 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.047 INCHES NOMINAL