NSN 3020-00-989-3739
Part Details | GROOVE PULLEY
3020-00-989-3739 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: BL6154, 3020-00-989-3739, 00-989-3739, 3020009893739, 009893739
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | NOV 04, 1966 | 00-989-3739 | 08109 ( PULLEY, GROOVE ) |
REFERENCE DRAWINGS & PICTURES
WEBBED OR SPOKED
Cross Reference | NSN 3020-00-989-3739
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| BL6154 | 08484 | BREEZE-EASTERN LLC |
Technical Data | NSN 3020-00-989-3739
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | WEBBED OR SPOKED |
| OUTSIDE DIAMETER | 4.430 INCHES NOMINAL |
| OVERALL LENGTH | 2.688 INCHES NOMINAL |
| FACE WIDTH | 1.514 INCHES NOMINAL |
| HUB END OUTSIDE DIAMETER AND LOCATION | BBZ1.438 INCHES NOMINAL AND BCA0.625 INCHES NOMINAL |
| DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | BBZ0.655 INCHES NOMINAL AND BCA0.518 INCHES NOMINAL |
| DESIGN FORM | SPOKED |
| WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | NOT OFFSET |
| LIGHTENING HOLE | NOT INCLUDED |
| INTEGRAL COOLING VANE | NOT INCLUDED |
| MATERIAL AND LOCATION | AL0000AAB ALUMINUM ALLOY |
| GROOVE SHAPE | V |
| GROOVE QUANTITY | 3 |
| GROOVE DEPTH | 0.195 INCHES NOMINAL |
| GROOVE WIDTH | 0.200 INCHES NOMINAL |
| V GROOVE ANGLE IN DEG | 45.0 |
| BORE FEATURE | INCLUDED |
| BEARINGS | NOT INCLUDED |
| BORE TYPE | STRAIGHT |
| BORE DIAMETER | 0.625 INCHES NOMINAL |
| BORE LENGTH | 1.438 INCHES NOMINAL |
| COUNTERBORE FEATURE | NOT INCLUDED |
| KEYING FACILITY | NOT INCLUDED |
| PROTRUDING HUB CHARACTERISTIC | STEPPED |
| FIRST STEP FACE LARGEST DIAMETER AND LOCATION | BBZ2.312 INCHES NOMINAL AND BCA4.125 INCHES NOMINAL |
| SECOND STEP FACE LARGEST DIAMETER AND LOCATION | BBZ4.125 INCHES NOMINAL |
| FIRST STEP LENGTH AND LOCATION | BBZ0.125 INCHES NOMINAL AND BCA0.318 INCHES NOMINAL |
| THIRD STEP LENGTH AND LOCATION | BBZ0.218 INCHES NOMINAL |
| HUB END OUTSIDE DIAMETER AND LOCATION | BBZ1.438 INCHES NOMINAL AND BCA0.625 INCHES NOMINAL |
| SPLIT HUB FEATURE | NOT INCLUDED |
| SECURING METHOD | HF ANY ACCEPTABLE |
| SECURING LOCATION | PULLEY SURFACE |
| SECURING HOLE QUANTITY | 4 |
| THREAD SIZE | 0.250-18 |
| HOLE LOCATION | 90 DEG APART |
| BOLT CIRCLE DIAMETER | 1.875 INCHES NOMINAL |