NSN 5305-00-292-8791

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-292-8791 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: 7598796, 5305-00-292-8791, 00-292-8791, 5305002928791, 002928791

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-292-879101852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-292-8791
Part Number Cage Code Manufacturer
759879619200US ARMY ARDEC RDECOM
Technical Data | NSN 5305-00-292-8791
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.329 INCHES MINIMUM AND 0.422 INCHES MAXIMUM
FASTENER LENGTH0.797 INCHES MINIMUM AND 0.828 INCHES MAXIMUM
HEAD STYLE HEXAGON
HEAD HEIGHT0.250 INCHES NOMINAL
WIDTH BETWEEN FLATS0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.310 INCHES MINIMUM AND 0.311 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD0.188 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.328 INCHES MINIMUM AND 0.359 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.406 INCHES MINIMUM AND 0.468 INCHES MAXIMUM