NSN 5305-00-207-8953
Part Details | EXTERNALLY RELIEVED BODY SCREW
5305-00-207-8953 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: 7600177, 5305-00-207-8953, 00-207-8953, 5305002078953, 002078953
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | JAN 01, 1963 | 00-207-8953 | 01852 ( SCREW, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-207-8953
Part Number | Cage Code | Manufacturer |
---|---|---|
7600177 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 5305-00-207-8953
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD DIAMETER | 0.086 INCHES |
THREAD QUANTITY PER INCH | 56 |
THREAD CLASS | 2A |
THREAD LENGTH | 0.203 INCHES MINIMUM |
FASTENER LENGTH | 0.609 INCHES NOMINAL |
HEAD STYLE | 9 CROWNED HEXAGON |
HEAD DIAMETER | 0.156 INCHES NOMINAL |
HEAD HEIGHT | 0.078 INCHES NOMINAL |
INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
FIRST DIAMETER FROM HEAD | 0.091 INCHES MINIMUM AND 0.094 INCHES MAXIMUM |
SECOND DIAMETER FROM HEAD | 0.064 INCHES NOMINAL |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.391 INCHES NOMINAL |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.407 INCHES NOMINAL |