NSN 5306-01-303-3902
Part Details | EXTERNALLY RELIEVED BODY BOLT
5306-01-303-3902 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: 74D2910332025, 74D291033-2025, 74D2910332009, 74D291033-2009, 5306-01-303-3902, 01-303-3902, 5306013033902, 013033902
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUN 29, 1989 | 01-303-3902 | 06675 ( BOLT, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
DOUBLE HEXAGON FLATS
Cross Reference | NSN 5306-01-303-3902
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 74D291033-2025 | 76301 | BOEING COMPANY, THEDBA BOEING |
| 74D291033-2009 | 76301 | BOEING COMPANY, THEDBA BOEING |
Technical Data | NSN 5306-01-303-3902
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UN |
| NOMINAL THREAD DIAMETER | 1.125 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.720 INCHES NOMINAL |
| FASTENER LENGTH | 3.900 INCHES NOMINAL |
| HEAD STYLE | 2 DISHED HEXAGON |
| HEAD DIAMETER | 1.000 INCHES NOMINAL |
| HEAD HEIGHT | 0.470 INCHES NOMINAL |
| HOLE CONFIGURATION STYLE | 2 DOUBLE HEXAGON FLATS |
| HOLE TYPE | DRILLED |
| HOLE QUANTITY | 1 |
| HOLE DIAMETER | 0.270 INCHES NOMINAL |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 4 |
| FIRST DIAMETER FROM HEAD | 0.470 INCHES NOMINAL |
| SECOND DIAMETER FROM HEAD | 1.015 INCHES MINIMUM AND 1.025 INCHES MAXIMUM |
| THIRD DIAMETER FROM HEAD | 1.045 INCHES MINIMUM AND 1.055 INCHES MAXIMUM |
| FOURTH DIAMETER FROM HEAD | 1.020 INCHES MINIMUM AND 1.030 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.400 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.980 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 1.455 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 1.580 INCHES NOMINAL |
| SPECIAL FEATURES | COUNTERSUNK HOLE AT THE END OF THREADS,0.095 IN. MIN,0.155 IN. MAX DIA; GROOVE,0.580 IN. LG FROM END,1.030 IN. MIN,1.040 IN. MAX DIA |