NSN 5306-01-249-4170
Part Details | INTERNALLY RELIEVED BODY BOLT
5306-01-249-4170 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: 39735, 39735, 5306-01-249-4170, 01-249-4170, 5306012494170, 012494170
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | FEB 11, 1987 | 01-249-4170 | 06676 ( BOLT, INTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
COUNTERBORE UNTHREADED
Cross Reference | NSN 5306-01-249-4170
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 39735 | 96916 | FLEET READINESS CENTER EASTDIV DEPARTMENT OF NAVY |
| 39735 | 07RP9 | JOINT OIL ANALYSIS PROGRAMDBA DEPARTMENT OF DEFENSE |
Technical Data | NSN 5306-01-249-4170
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.460 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| FASTENER LENGTH | 0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| STYLE DESIGNATOR | A COUNTERBORE UNTHREADED |
| CONCENTRIC HOLE DIAMETER | 0.213 INCHES NOMINAL |
| HEAD STYLE | 0 HEXAGON |
| HEAD HEIGHT | 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.306 INCHES MINIMUM AND 0.315 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.059 INCHES MINIMUM AND 0.079 INCHES MAXIMUM |