NSN 5305-00-168-8064
Part Details | EXTERNALLY RELIEVED BODY SCREW
5305-00-168-8064 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: 31502120004, 3150-2120-004, 5305-00-168-8064, 00-168-8064, 5305001688064, 001688064
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | NOV 26, 1971 | 00-168-8064 | 01852 ( SCREW, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON

CROSS RECESS TYPE 1

ROUND

Cross Reference | NSN 5305-00-168-8064
Part Number | Cage Code | Manufacturer |
---|---|---|
3150-2120-004 | K0656 | BAE SYSTEMS (OPERATIONS) LIMITEDDBA BAE SYSTEMS PLC |
Technical Data | NSN 5305-00-168-8064
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD DIAMETER | 0.112 INCHES |
THREAD QUANTITY PER INCH | 40 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.260 INCHES MINIMUM |
FASTENER LENGTH | 0.350 INCHES NOMINAL |
HEAD STYLE | 4 CROWNED HEXAGON |
HEAD DIAMETER | 0.166 INCHES MINIMUM AND 0.183 INCHES MAXIMUM |
HEAD HEIGHT | 0.072 INCHES MINIMUM AND 0.079 INCHES MAXIMUM |
INTERNAL DRIVE STYLE | 4 CROSS RECESS TYPE 1 |
HOLE CONFIGURATION STYLE | ROUND |
HOLE TYPE | DRILLED |
HOLE QUANTITY | 1 |
HOLE DIAMETER | 0.037 INCHES NOMINAL |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
FIRST DIAMETER FROM HEAD | 0.074 INCHES MINIMUM AND 0.079 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.090 INCHES NOMINAL |