Product Description
Armstrong Stuffing Box / Adapter – Part No. 428320-071
Genuine Armstrong replacement stuffing box / adapter, Armstrong part number 428320-071, for Series 4360 pumps. Shown as item 40 on the Series 4360 drawing (parts list 6043.125 / 6043.126) – highlighted in the pictures above.
* Please confirm before ordering: this number is printed this way in Armstrong’s Series 4360 parts list but looks inconsistent. Call us with your pump serial number to confirm.
- All iron is listed with a −071 suffix, normally used for stainless steel.
Fits these Armstrong pumps
- Series 4360 (vertical motor mounted) – pump sizes 1¼ B, 1½ B, 2 B
- Construction: All iron (AI)
- Drawing item: 40
Other parts for this pump
Rebuilding a Series 4360 1¼ B? These parts are often replaced at the same time:
| Item | Part | Armstrong part no. |
|---|---|---|
| 4 | Balance ring | 106091-000 |
| 15 | Set screw | 916517-005 |
| 16 | Set screw | 916519-104 |
| 17 | Set screw | 916517-205 |
| 21 | Shaft extension | 814910-001 |
| 30 | Flange gasket | 105176-001 |
| 31 | Companion flange | 116011-011 |
| 32 | Flange capscrew | 911123-114 |
| 33 | Flange capscrew nut | 913123-100 |
| 36 | Impeller key | 974507-100 |
| 44 | Motor capscrew | 911121-106 |
| 55 | Street elbow | 931110-000 |
| 57 | Male elbow | 939003-205 |
| 58 | Connector | 939001-205 |
| 59 | Flush line tubing | 997529-003 |
| 62 | Mechanical seal assembly | 816706-021 |
| 62 | Mechanical seal assembly | 816706-023 |
| 80 | Impeller | 816302-017 |
| 83 | Impeller lockwasher | 927411-100 |
| 86 | Impeller nut | 913171-100 |
| 100 | Casing | 116337-011 |
| 101 | Casing gasket | 106158-000 |
| 104 | Casing capscrew | 911119-106 |
Not sure this is the right part?
Use our Armstrong Pump Parts Finder: choose Series 4360, 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 428320-071
Part Type Adapter / Stuffing Box / Bracket
Fits Series 4360 1-1/4 B, 1-1/2 B, 2 B
Drawing Item 4360: item 40
Note * Confirm before ordering - printed inconsistently in Armstrong parts list
Shipping cost: Inquire
Parts Finder canadianpumpshop.com/armstrong-parts-finder/
