Product Description
Armstrong Locknut – Part No. 426364-004
Genuine Armstrong replacement locknut, Armstrong part number 426364-004, for Series 4030 pumps. Shown as item 25 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: 25
Other parts for this pump
Rebuilding a Series 4030 4 × 3 × 8? These parts are often replaced at the same time:
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 426364-004
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 25
Shipping cost: Inquire
Parts Finder canadianpumpshop.com/armstrong-parts-finder/