NSN 5305-00-161-0937
Part Details | EXTERNALLY RELIEVED BODY SCREW
5305-00-161-0937 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: A1514, A15-1-4, 5305-00-161-0937, 00-161-0937, 5305001610937, 001610937
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | NOV 03, 1971 | 00-161-0937 | 01852 ( SCREW, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-161-0937
Part Number | Cage Code | Manufacturer |
---|---|---|
A15-1-4 | 82005 | ALLARD NAZARIAN GROUP, INC.DBA GRANITE STATE MANUFACTURING |
Technical Data | NSN 5305-00-161-0937
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
THREAD QUANTITY PER INCH | 20 |
THREAD CLASS | 2A |
THREAD LENGTH | 0.344 INCHES MINIMUM AND 0.407 INCHES MAXIMUM |
FASTENER LENGTH | 0.860 INCHES MINIMUM AND 0.891 INCHES MAXIMUM |
MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
HEAD STYLE | 4 CROWNED HEXAGON |
HEAD DIAMETER | 0.389 INCHES MINIMUM AND 0.414 INCHES MAXIMUM |
HEAD HEIGHT | 0.161 INCHES MINIMUM AND 0.170 INCHES MAXIMUM |
INTERNAL DRIVE STYLE | 4 CROSS RECESS TYPE 1 |
FIRST DIAMETER FROM HEAD | 0.182 INCHES MINIMUM AND 0.185 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM |
PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |