Part Details | INTERNALLY RELIEVED BODY BOLT
5306-00-331-2639 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: 10881776, 5306-00-331-2639, 00-331-2639, 5306003312639, 003312639
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | DEC 16, 1973 | 00-331-2639 | 06676 ( BOLT, INTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
CONCENTRIC HOLE UNTHREADED
Cross Reference | NSN 5306-00-331-2639
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 10881776 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
Technical Data | NSN 5306-00-331-2639
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.844 INCHES NOMINAL |
| FASTENER LENGTH | 1.000 INCHES NOMINAL |
| STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| CONCENTRIC HOLE DEPTH | 0.219 INCHES NOMINAL |
| CONCENTRIC HOLE DIAMETER | 0.104 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.243 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.562 INCHES NOMINAL |