Part Details | INTERNALLY RELIEVED BODY BOLT
5306-00-637-0203 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: 589539, 589539, S1259, 5306-00-637-0203, 00-637-0203, 5306006370203, 006370203
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-637-0203 | 06676 ( BOLT, INTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
COUNTERBORE UNTHREADED
Cross Reference | NSN 5306-00-637-0203
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 589539 | 86403 | CHRYSLER CORPSERVICE AND PARTS OPNS |
| 589539 | 12204 | DAIMLER CHRYSLER |
| S1259 | 76255 | MCQUAY-NORRIS INCOEM DIV |
Technical Data | NSN 5306-00-637-0203
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.625 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.875 INCHES MINIMUM |
| FASTENER LENGTH | 3.375 INCHES NOMINAL |
| STYLE DESIGNATOR | A COUNTERBORE UNTHREADED |
| CONCENTRIC HOLE DEPTH | 1.875 INCHES NOMINAL |
| CONCENTRIC HOLE DIAMETER | 0.219 INCHES NOMINAL |
| HEAD STYLE | 6 UNDERCUT HEXAGON |
| HEAD DIAMETER | 1.125 INCHES NOMINAL |
| HEAD HEIGHT | 0.250 INCHES NOMINAL |
| DISTANCE FROM CENTERLINE TO FLAT | 0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM |