Product Description
Armstrong Lockwasher – Part No. 426364-003
Genuine Armstrong replacement lockwasher, Armstrong part number 426364-003, for Series 4030 pumps. Shown as item 24 on the Series 4030 drawing (parts list 6040.120 / 6040.121 / 6040.122) – highlighted in the pictures above.
- Included in bearing frame assembly 427816-000.
- Included in bearing frame assembly 427817-000.
- Included in bearing frame assembly 427816-071.
- Included in bearing frame assembly 427817-071.
Fits these Armstrong pumps
- Series 4030 (base mounted end suction) – pump sizes 4 × 3 × 8, 5 × 4 × 8W, 6 × 4 × 8W, 4 × 3 × 10, 5 × 4 × 10, 6 × 4 × 10, 3 × 1½ × 13, 3 × 2 × 13, 8 × 6 × 13, 10 × 8 × 13, 8 × 6 × 15, 10 × 8 × 15
- Designation: 'MHD', 'MXHD'
- Motor frames: 284TS, 286TS, 324TS, 326TS, 364TS, 365TS, 404TS, 405TS
- Bearings: Regreaseable bearings, Oil lubricated bearings
- Drawing item: 24
Other parts for this pump
Rebuilding a Series 4030 4 × 3 × 8? These parts are often replaced at the same time:
| Item | Part | Armstrong part no. |
|---|---|---|
| 21 | Shaft & sleeve assembly | 427833-001 |
| 21 | Shaft & sleeve assembly | 427833-071 |
| 22 | Inboard bearing | 971101-383 |
| 23 | Outboard bearing | 971115-901 |
| 23S | Grease shield | 971900-003 |
| 25 | Locknut | 426364-004 |
| 26 | Bearing frame (housing) | 426774-012 |
| 26 | Bearing frame (housing) | 426774-013 |
| 28 | Oil seal (outboard) | 965001-150 |
| 29 | Bearing cover | 427813-012 |
| 29 | Bearing cover | 427813-013 |
| 30 | Oil seal (inboard) | 965001-120 |
| 31 | O-ring | 961131-243 |
| 32 | Bearing cover capscrew | 911121-110 |
| 33 | Oil view gauge | 116904-000 |
| 34 | Air vent | 407444-000 |
| 35 | Pipe plug | 937105-200 |
| 36 | Impeller key | 428161-714 |
| 37 | Grease fitting | 425030-011 |
| 39 | Water slinger | 419315-000 |
| 40 | Adapter | 426751-011 |
| 44 | Adapter capscrew | 911125-110 |
| 44W | Adapter capscrew washer | 927117-100 |
| 62 | Mechanical seal assembly | 975000-984 |
Showing 24 of 57 parts – see the full list in the parts finder.
Not sure this is the right part?
Use our Armstrong Pump Parts Finder: choose Series 4030, your pump size and motor to see every part on the drawing. Or send us your pump’s nameplate details – call (416) 236-2338 or email sales@bramhambros.com. Bramham Bros is an authorized Armstrong dealer.
Product Videos
Custom Field
Brand Armstrong
Armstrong Part Number 426364-003
Part Type Hardware / Fitting
Fits Series 4030 4 x 3 x 8, 5 x 4 x 8W, 6 x 4 x 8W, 4 x 3 x 10, 5 x 4 x 10, 6 x 4 x 10, 3 x 1-1/2 x 13, 3 x 2 x 13, 8 x 6 x 13, 10 x 8 x 13, 8 x 6 x 15, 10 x 8 x 15
Drawing Item 4030: item 24
Shipping cost: Inquire
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