| Item | Part No. | Part Name | Qty | Serial No. |
| 423-57-A1120 | SUSPENSION ASSEMBLY | | |
| 1 | (NSS) | ADJUSTER, SEAT | | |
| 2 | (NSS) | PIN, ROLL | | |
| 3 | (NSS) | PAD, SPRING | | |
| 4 | 423-57-A1210 | SPRING, CONICAL | | |
| 5 | (NSS) | WASHER, SPRING | | |
| 6 | (NSS) | GEAR AND SHAFT - VERTICAL | | |
| 7 | (NSS) | PIN, ROLL | | |
| 8 | (NSS) | GEAR AND SHAFT - HORIZONTAL | | |
| 9 | (NSS) | BRACKET, SHAFT | | |
| 10 | (NSS) | ARM, SUSPENSION | | |
| 11 | (NSS) | KNOB, WEIGHT ADJUSTMENT | | |
| 12 | (NSS) | PRODUCT GRAPHIC, INSTRUCTION | | |
| 13 | (NSS) | BUSHING, TUBE | | |
| 14 | (NSS) | BOOT, SUSPENSION | | |
| 15 | (NSS) | FASTENER, PUSH-ON | | |
| 16 | (NSS) | WASHER, THRUST | | |
| 17 | (NSS) | BUMPER, SLIDER | | |
| 18 | (NSS) | BUMPER, SLIDER | | |
| 19 | (NSS) | BUMPER, SLIDER | | |
| 20 | (NSS) | BUMPER, SLIDER | | |
| 21 | (NSS) | ABSORBER, SHOCK | | |
| 22 | (NSS) | BUSHING, SHOCK ABSORBER | | |
| 23 | (NSS) | BOLT, SHOULDER | | |
| 24 | (NSS) | NUT, LOCK | | |
| 25 | (NSS) | BUMPER, SLIDE | | |
| 26 | (NSS) | INDICATOR, RIDE | | |
| 27 | (NSS) | SHAFT, MOUNTING | | |
| 28 | (NSS) | NUT, LOCK | | |
| 29 | (NSS) | PIN, ROLL | | |
| 30 | (NSS) | BOLT, CARRIAGE | | |
| 31 | (NSS) | NUT, LOCK | | |
| 32 | (NSS) | HOUSING, UPPER | | |
| 33 | (NSS) | LINK | | |
| 34 | (NSS) | LEVER, HEIGHT ADJUSTMENT | | |
| 33 | (NSS) | LINK | | |
| 34 | (NSS) | LEVER, HEIGHT ADJUSTMENT | | |
| 35 | (NSS) | SPRING | | |
| 36 | (NSS) | BOLT, SHOULDER - 1/2 NC X 1 | | |
| 37 | (NSS) | LINK, CONNECTING | | |
| 38 | (NSS) | LATCH ASSEMBLY | | |
| 39 | (NSS) | PIN, COIL SPRING - 5/32 X 3/4 IN | | |
| 40 | (NSS) | SPRING | | |
| 41 | (NSS) | CAP HEIGHT ADJUSTMENT | | |
| 423-57-A1130 | BEARING KIT | | |
| 423-57-A1220 | SPRING KIT | | |
| 423-57-A1250 | BOOT KIT | | |
| 423-57-A1270 | SHOCK KIT | | |
| 423-57-A1310 | ADJUSTMENT KNOB KIT | | |
| 423-57-A1330 | BEARING KIT | | |
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| | F1 - ORDER BEARING KIT 423-57-A1130. | | |
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| | F2 - ORDER SPRING KIT 423-57-A1220. | | |
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| | F3 - ORDER BOOT KIT 423-57-A1250. | | |
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| | F4 - ORDER SHOCK KIT 423-57-A1270. | | |
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| | F5 - ORDER ADJUSTMENT KNOB KIT 423-57-A1310. | | |
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| | F6 - ORDER BEARING KIT 423-57-A1330. | | |
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