Part Details | INTERNALLY RELIEVED BODY BOLT
5306-00-789-4379 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: 756101103, 756101-103, 5306-00-789-4379, 00-789-4379, 5306007894379, 007894379
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1962 | 00-789-4379 | 06676 ( BOLT, INTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CONCENTRIC HOLE UNTHREADED
Cross Reference | NSN 5306-00-789-4379
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 756101-103 | 98897 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS |
Technical Data | NSN 5306-00-789-4379
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 1.500 INCHES |
| THREAD QUANTITY PER INCH | 12 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.810 INCHES MINIMUM AND 1.040 INCHES MAXIMUM |
| FASTENER LENGTH | 4.010 INCHES MINIMUM AND 4.040 INCHES MAXIMUM |
| STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| SHOULDER DIAMETER | 1.748 INCHES MINIMUM AND 1.749 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.300 INCHES NOMINAL |
| COUNTERBORE DIAMETER | 0.900 INCHES NOMINAL |
| COUNTERBORE DEPTH | 3.370 INCHES MINIMUM AND 3.400 INCHES MAXIMUM |
| CONCENTRIC HOLE DIAMETER | 0.625 INCHES NOMINAL |
| HEAD STYLE | 4 UNDERCUT HEXAGON |
| HEAD DIAMETER | 2.200 INCHES NOMINAL |
| HEAD HEIGHT | 0.330 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 1.980 INCHES MINIMUM AND 2.020 INCHES MAXIMUM |
| SPECIAL FEATURES | DRILL 0.167 TO 0.175 IN. DIA HOLE 3.765 IN. FROM BEARING SURFACE OF HEAD THRU 0.625 IN. DIA HOLE |