Product Description
Armstrong Stuffing Box / Adapter – Part No. 426754-015
Genuine Armstrong replacement stuffing box / adapter, Armstrong part number 426754-015, for Series 4380, 4280, 4280-50 pumps. Shown as item 40 on the Series 4380 drawing (parts list 6043.129 / 6043.130) – highlighted in the pictures above.
Specification: Combination stuffing box & adapter (items 40 & 50); Adapter (modified bronze fitted)
Fits these Armstrong pumps
- Series 4380 (vertical in-line) – pump sizes 4 × 4 × 10
- Designation: 'M'
- Motor frames: 213JP, 215JP
- Pressure rating: 125#
- Drawing item: 40
- Series 4280 (close coupled end suction) – pump sizes 3 × 2½ × 10, 4 × 3 × 10
- Designation: 'M'
- Motor frames: 213JP, 215JP
- Construction: Bronze fitted (125#), All iron
- Drawing item: 40
- Series 4280-50 (pool & spa (NSF-50)) – pump sizes 3 × 2½ × 10, 4 × 3 × 10
- Designation: 'M'
- Motor frames: 213JP, 215JP
- Drawing item: 40
Other parts for this pump
Rebuilding a Series 4380 4 × 4 × 10? These parts are often replaced at the same time:
| Item | Part | Armstrong part no. |
|---|---|---|
| 39 | Water slinger | 419315-000 |
| 40 | Stuffing box / adapter | 426754-035 |
| 40 | Stuffing box / adapter | 426755-015 |
| 40 | Stuffing box / adapter | 426755-035 |
| 43 | Motor washer | 927117-100 |
| 44 | Motor capscrew | 911125-110 |
| 44 | Motor capscrew | 911129-110 |
| 57 | Male connector | 939001-114 |
| 59 | Flush line tubing | 997531-004 |
| 62 | Mechanical seal kit | 975000-984 |
| 62 | Mechanical seal kit | 9975001-833 |
| 62 | Mechanical seal kit | 9975001-633 |
| 62 | Mechanical seal kit | 9975001-837 |
| 62 | Mechanical seal kit | 9975001-838 |
| 70 | Shaft sleeve | 425869-021 |
| 70 | Shaft sleeve | 425869-003 |
| 71 | Shaft sleeve spacer | 425868-004 |
| 80 | Impeller | 427150-041 |
| 83 | Impeller washer | 425742-003 |
| 84 | Impeller lockwasher | 927213-400 |
| 86 | Impeller capscrew | 911900-119 |
| 90 | Case wear ring | 426413-408 |
| 100 | Casing | 427063-011 |
| 100 | Casing | 427064-031 |
Showing 24 of 28 parts – see the full list in the parts finder.
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 426754-015
Part Type Adapter / Stuffing Box / Bracket
Fits Series 4380 4 x 4 x 10
Fits Series 4280 3 x 2-1/2 x 10, 4 x 3 x 10
Fits Series 4280-50 3 x 2-1/2 x 10, 4 x 3 x 10
Drawing Item 4280: item 40; 4380: item 40; 4280-50: item 40
Specification Combination stuffing box & adapter (items 40 & 50); Adapter (modified bronze fitted)
Shipping cost: Inquire
Parts Finder canadianpumpshop.com/armstrong-parts-finder/
