Product Description
Armstrong Adapter – Part No. 426753-031
Genuine Armstrong replacement adapter, Armstrong part number 426753-031, for Series 4380, 4280, 4030 pumps. Shown as item 40 on the Series 4380 drawing (parts list 6043.129 / 6043.130) – highlighted in the pictures above.
- Ductile iron construction uses the −031 / −035 suffix per Armstrong’s note – confirm with your pump serial number.
Specification: Ductile iron; Combination stuffing box & adapter (items 40 & 50); Cast iron combination stuffing box & adapter (items 40 & 50), ductile iron construction
Fits these Armstrong pumps
- Series 4380 (vertical in-line) – pump sizes 1½ × 1½ × 10, 2 × 2 × 10, 3 × 3 × 10, 4 × 4 × 10
- Designation: 'S'
- Motor frames: 143JM, 145JM, 182JM, 184JM
- Pressure rating: 250#
- Drawing item: 40
- Series 4280 (close coupled end suction) – pump sizes 2 × 1 × 10, 2 × 1½ × 10, 3 × 1½ × 10, 3 × 2 × 10, 3 × 2½ × 10, 4 × 3 × 10
- Designation: 'S'
- Motor frames: 143JM, 145JM, 182JM, 184JM
- Construction: Ductile iron (250#)
- Drawing item: 40
- Series 4030 (base mounted end suction) – pump sizes 2 × 1 × 10, 2 × 1½ × 10, 3 × 1½ × 10, 3 × 2 × 10, 3 × 2½ × 10, 4 × 3 × 10, 5 × 4 × 10, 6 × 4 × 10, 6 × 5 × 10
- Designation: 'S'
- Motor frames: 56, 143T, 145T, 182T, 184T, 213T, 215T, 254T, 256T
- Construction: Ductile iron (250#)
- Drawing item: 40
Other parts for this pump
Rebuilding a Series 4380 1½ × 1½ × 10? These parts are often replaced at the same time:
Not sure this is the right part?
Use our Armstrong Pump Parts Finder: choose Series 4380, 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 426753-031
Part Type Adapter / Stuffing Box / Bracket
Fits Series 4380 1-1/2 x 1-1/2 x 10, 2 x 2 x 10, 3 x 3 x 10, 4 x 4 x 10
Fits Series 4280 2 x 1 x 10, 2 x 1-1/2 x 10, 3 x 1-1/2 x 10, 3 x 2 x 10, 3 x 2-1/2 x 10, 4 x 3 x 10
Fits Series 4030 2 x 1 x 10, 2 x 1-1/2 x 10, 3 x 1-1/2 x 10, 3 x 2 x 10, 3 x 2-1/2 x 10, 4 x 3 x 10, 5 x 4 x 10, 6 x 4 x 10, 6 x 5 x 10
Drawing Item 4030: item 40; 4280: item 40; 4380: item 40
Specification Ductile iron; Combination stuffing box & adapter (items 40 & 50); Cast iron combination stuffing box & adapter (items 40 & 50), ductile iron construction
Shipping cost: Inquire
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