Part Details | EXTERNALLY RELIEVED BODY BOLT
5306-00-089-9441 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 undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.
Alternate Parts: 215784052, 215-78405-2, 5306-00-089-9441, 00-089-9441, 5306000899441, 000899441
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | AUG 07, 1967 | 00-089-9441 | 06675 ( BOLT, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON

Cross Reference | NSN 5306-00-089-9441
Part Number | Cage Code | Manufacturer |
---|---|---|
215-78405-2 | 80378 | TRIUMPH AEROSTRUCTURES, LLCDBA TRIUMPH AEROSTRUCTURES - VOUGHT |
Technical Data | NSN 5306-00-089-9441
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
THREAD QUANTITY PER INCH | 28 |
THREAD CLASS | 3A |
THREAD LENGTH | 0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM |
FASTENER LENGTH | 1.770 INCHES MINIMUM AND 1.810 INCHES MAXIMUM |
MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
HEAD STYLE | 3 UNDERCUT HEXAGON |
HEAD DIAMETER | 0.625 INCHES NOMINAL |
HEAD HEIGHT | 0.160 INCHES NOMINAL |
WIDTH BETWEEN FLATS | 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
FIRST DIAMETER FROM HEAD | 0.250 INCHES NOMINAL |
SECOND DIAMETER FROM HEAD | 0.3116 INCHES MINIMUM AND 0.3118 INCHES MAXIMUM |
THIRD DIAMETER FROM HEAD | 0.192 INCHES MINIMUM AND 0.197 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.060 INCHES NOMINAL |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 1.420 INCHES MINIMUM AND 1.430 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 1.500 INCHES MINIMUM AND 1.510 INCHES MAXIMUM |