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SECO Parts and Equipment
5 Ton High Gear T/c Transfer Case 7748588 | NSN 3020-00-064-6372
5 Ton High Gear T/c Transfer Case 7748588 | NSN 3020-00-064-6372
Regular price
$275.00 USD
Regular price
Sale price
$275.00 USD
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NSN 3020-00-064-6372 · Specs and cross-references for NSN 3020-00-064-6372 (opens in a new tab) ↗
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WE ALSO SELL THE LOW GEAR
| BODY STYLE | PLAIN, SOLID |
| SPLINE QUANTITY | 34 FIRST END |
| PITCH DIAMETER | 7.5174 INCHES NOMINAL |
| TEETH QUANTITY | 37 |
| BORE STYLE | INVOLUTE SPLINE FIRST END |
| BORE STYLE | W/COUNTERBORE SECOND END |
| SPLINE PITCH DIAMETER | 4.2500 INCHES NOMINAL FIRST END |
| HARDNESS RATING | 57.0 ROCKWELL C MINIMUM OVERALL AND 63.0 ROCKWELL C MAXIMUM OVERALL |
| NOMINAL OUTSIDE DIAMETER | 7.912 INCHES |
| TEETH TYPE | SINGLE HELIX |
| TOOTH FORM | STANDARD |
| TOOTH DIRECTION | LEFT |
| PRESSURE ANGLE | 17.5000 DEGREES |
| HELIX ANGLE | 17.5447 DEGREES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.114 INCHES FIRST END |
| FACE NOMINAL WIDTH | 2.500 INCHES |
| BORE NOMINAL DIAMETER | 3.380 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 1.052 INCHES SECOND END |
| COUNTERBORE NOMINAL DIAMETER | 3.937 INCHES SECOND END |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| HUB NOMINAL DIAMETER | 5.326 INCHES FIRST END |
Fits
This NSN is listed in the U.S. Army repair parts manuals for:
- 5-ton M39 series: M39, M40, M41, M51, M52, M54, M55, M61, M63, M139, M246, M291 and A1/A2 variants (TM 9-2320-211-20P)
Confirm against your vehicle's data plate or technical manual before ordering. Call or email us with your vehicle model and we will check it for you.

$275.00
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