Parts list:
| № | Number | Qty | Name | Options |
|---|---|---|---|---|
| None | [] | Fan hub assembly with 1 to 1 ratio and 17 3/4 inch fan center used with 2 inch pilot. FOR S/O 3421 ONLY | ||
| 1 | S-172-A | 3 | Screw, Hexagon Head Cap | |
| 3 | S-285 | 1 | Nut, Heavy Hexagon Jam | |
| 4 | 117267 | 2 | Washer, Plain | |
| 5 | S-608 | 3 | Washer, Lock | |
| 6 | 166777 | 1 | Screw, Hexagon Head Cap | |
| 7 | 3058494 | 1 | Support, Fan | |
| 8 | 3048994 | 1 | Brace, Fan | |
| 9 | 3015282 | 2 | Screw, Captive Washer Cap | |
| 10 | 3019574 | 2 | Screw, Captive Washer Cap | |
| - | 3012668 | 1 | Hub, Fan | |
| 11 | S-117 | 2 | Screw, Hexagon Head Cap | |
| 12 | S-911-B | 1 | Plug, Pipe | |
| 13 | 142176 | 1 | Nut, Lock | |
| 14 | 200307 | 1 | Seal, Oil | |
| 15 | 211866 | 1 | Pulley, Fan | |
| 16 | 217008 | 1 | Spacer, Bearing | |
| 17 | 217011 | 1 | Spacer, Bearing | |
| 18 | 3001280 | 1 | Ring, Retaining | |
| 19 | 3001281 | 2 | Bearing, Roller | |
| 20 | 3005592 | 1 | Gasket, Fan Spacer | |
| 21 | 3008883 | 1 | Cover, Protective Shipping | |
| 22 | 3012467 | 1 | Washer, Plain | |
| 23 | 3052988 | 1 | Spindle, Fan | |
| 24 | 3040386 | 2 | Belt, V |
