Part Details | INTERNALLY RELIEVED BODY BOLT
5306-00-670-8521 An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see BOLT, FLUID PASSAGE.
Alternate Parts: 6792745, 6792745, 6792745, 5306-00-670-8521, 00-670-8521, 5306006708521, 006708521
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-670-8521 | 06676 ( BOLT, INTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
CONCENTRIC HOLE UNTHREADED
Cross Reference | NSN 5306-00-670-8521
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 6792745 | 73342 | ALLISON TRANSMISSION, INC. |
| 6792745 | 24617 | GENERAL MOTORS CORP |
| 6792745 | 63005 | ROLLS-ROYCE CORPORATION |
Technical Data | NSN 5306-00-670-8521
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.355 INCHES MINIMUM AND 0.365 INCHES MAXIMUM |
| FASTENER LENGTH | 0.683 INCHES MINIMUM AND 0.693 INCHES MAXIMUM |
| STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| CONCENTRIC HOLE DEPTH | 0.203 INCHES NOMINAL |
| CONCENTRIC HOLE DIAMETER | 0.185 INCHES MINIMUM AND 0.192 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |