Part Details | EXTERNALLY RELIEVED BODY BOLT
5306-01-139-4721 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: 3031T95P04, 5306-01-139-4721, 01-139-4721, 5306011394721, 011394721
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | OCT 03, 1982 | 01-139-4721 | 06675 ( BOLT, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
Cross Reference | NSN 5306-01-139-4721
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 3031T95P04 | 99207 | GENERAL ELECTRIC COMPANYDBA GE |
Technical Data | NSN 5306-01-139-4721
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.312 INCHES NOMINAL |
| FASTENER LENGTH | 0.870 INCHES MINIMUM AND 0.890 INCHES MAXIMUM |
| HEAD STYLE | 0 HEXAGON |
| HEAD HEIGHT | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.312 INCHES NOMINAL |
| EXTENDED WASHER DIAMETER | 0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.060 INCHES NOMINAL |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| FIRST DIAMETER FROM HEAD | 0.195 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.558 INCHES MINIMUM AND 0.578 INCHES MAXIMUM |
| PRECIOUS MATERIAL AND LOCATION | THREADS SILVER |