NSN 5306-01-288-3766
Part Details | INTERNALLY RELIEVED BODY BOLT
5306-01-288-3766 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: 3280941, 5306-01-288-3766, 01-288-3766, 5306012883766, 012883766
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | NOV 05, 1988 | 01-288-3766 | 06676 ( BOLT, INTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CONCENTRIC HOLE UNTHREADED
Cross Reference | NSN 5306-01-288-3766
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 3280941 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 5306-01-288-3766
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNEF |
| NOMINAL THREAD DIAMETER | 0.625 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.314 INCHES NOMINAL |
| FASTENER LENGTH | 1.980 INCHES MINIMUM AND 2.000 INCHES MAXIMUM |
| STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| CONCENTRIC HOLE DIAMETER | 0.438 INCHES MINIMUM AND 0.453 INCHES MAXIMUM |
| HEAD STYLE | 3 UNDERCUT HEXAGON |
| HEAD DIAMETER | 1.250 INCHES NOMINAL |
| HEAD HEIGHT | 0.250 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.980 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| SPECIAL FEATURES | WASHER EXTENTION ON HEAD 1.250 IN. DIA.,0.062 WIDTH; WATER TYPE SEAL UNDERCUT; SURFACE TEXTURE FINISH 32.0 MICROIN. FROM THREADED END OF GRIP. 0.188 IN. MIN.,0.312 IN. MAX. LGTH |