NSN 3020-01-178-9947
Part Details | TIMING BELT PULLEY
3020-01-178-9947 A pulley with regularly spaced grooves parallel to the pulley axis on the face. It is designed to be used for timing purposes such as to synchronize the igintion spark with the completion of the compression stroke of the piston.
Alternate Parts: 5547811, 554781-1, 5547811, 554781-1, 5547811, 554781-1, 3020-01-178-9947, 01-178-9947, 3020011789947, 011789947
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | MAY 12, 1984 | 01-178-9947 | 45487 ( PULLEY, TIMING BELT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 3020-01-178-9947
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 554781-1 | 54X10 | RAYTHEON COMPANYDBA RAYTHEON |
| 554781-1 | 49956 | RAYTHEON COMPANYDBA RAYTHEON |
| 554781-1 | 3B150 | RAYTHEON COMPANYDBA RAYTHEON |
Technical Data | NSN 3020-01-178-9947
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 6061 |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM STD B211,T6 ASSN STD SINGLE MATERIAL RESPONSE |
| SURFACE TREATMENT | ANODIZE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE II,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| OVERALL LENGTH | 0.958 INCHES NOMINAL |
| FACE TYPE | FLAT GROOVED WITH DOUBLE FLANGE |
| FACE GROOVE/TOOTH QUANTITY | 41 |
| FACE WIDTH | 0.377 INCHES MINIMUM AND 0.379 INCHES MAXIMUM |
| BORE TYPE | SPECIFIED |
| BORE DIAMETER | 0.625 INCHES NOMINAL |
| HUB DIAMETER | 0.880 INCHES NOMINAL |