NSN 3020-01-248-8939
Part Details | GROOVE PULLEY
3020-01-248-8939 A pulley with one or more grooved faces or rims of the same diameter. For pulleys encased in a shell or frame, see BLOCK, TACKLE. For items specifically designed for aviation, see PULLEY(1), GROOVE, AVIATION.
Alternate Parts: 12349749, 3020-01-248-8939, 01-248-8939, 3020012488939, 012488939
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | JAN 31, 1987 | 01-248-8939 | 08109 ( PULLEY, GROOVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN
Cross Reference | NSN 3020-01-248-8939
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 12349749 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
Technical Data | NSN 3020-01-248-8939
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 0 PLAIN |
| OUTSIDE DIAMETER | 8.480 INCHES NOMINAL |
| OVERALL LENGTH | 5.740 INCHES NOMINAL |
| PITCH DIAMETER | 8.430 INCHES NOMINAL |
| FACE WIDTH | 1.910 INCHES NOMINAL |
| HUB END OUTSIDE DIAMETER AND LOCATION | BBZ4.700 INCHES NOMINAL AND BCA4.120 INCHES NOMINAL |
| DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | BBZ4.830 INCHES NOMINAL AND BCA5.330 INCHES NOMINAL |
| DESIGN FORM | PLAIN |
| LIGHTENING HOLE | NOT INCLUDED |
| INTEGRAL COOLING VANE | NOT INCLUDED |
| MATERIAL AND LOCATION | STB809AAB STEEL, ASTM A148 |
| GROOVE SHAPE | V |
| GROOVE QUANTITY | 4 |
| GROOVE DEPTH | 0.350 INCHES NOMINAL |
| GROOVE WIDTH | 0.344 INCHES NOMINAL |
| V GROOVE ANGLE IN DEG | 40.2 |
| BORE FEATURE | INCLUDED |
| BEARINGS | NOT INCLUDED |
| BORE TYPE | STRAIGHT |
| BORE DIAMETER | 2.190 INCHES NOMINAL |
| BORE LENGTH | 0.410 INCHES NOMINAL |
| COUNTERBORE FEATURE | INCLUDED |
| COUNTERBORE LOCATION | BB END |
| COUNTERBORE DIAMETER | 3.881 INCHES NOMINAL |
| COUNTERBORE DEPTH | 0.140 INCHES NOMINAL |
| KEYING FACILITY | NOT INCLUDED |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| SPLIT HUB FEATURE | NOT INCLUDED |
| SECURING METHOD | DRILLED HOLE |
| SECURING LOCATION | AA END |
| SECURING HOLE QUANTITY | 9 |
| HOLE LOCATION | THROUGH HUB |
| DRILLED HOLE DIAMETER | 0.551 INCHES NOMINAL AND 0.371 INCHES NOMINAL |