Product Description
Armstrong Casing – Part No. 427496-031
Genuine Armstrong replacement casing, Armstrong part number 427496-031, for Series 4300 pumps. Shown as item 100 on the Series 4300 drawing (parts list 6043.132 / 6043.134 / 6043.136 / 6043.137) – highlighted in the pictures above.
- Casing only – the case wear ring is sold separately. A new casing must be ordered with a new wear ring.
Specification: Ductile iron, 250#; Ductile bronze fitted, 250#
Fits these Armstrong pumps
- Series 4300 (vertical in-line) – pump sizes 16 × 16 × 15, 16 × 16 × 15L
- Construction: Ductile iron (250#), Ductile bronze fitted (250#)
- Drawing item: 100
Other parts for this pump
Rebuilding a Series 4300 16 × 16 × 15? These parts are often replaced at the same time:
| Item | Part | Armstrong part no. |
|---|---|---|
| 21 | Pump shaft | 427495-000 |
| 36 | Impeller key | 428164-724 |
| 40 | Motor bracket | 427325-011 |
| 40 | Motor bracket | 427345-015 |
| 44 | Motor capscrew | 911129-120 |
| 50 | Stuffing box cover / adapter | 427498-031 |
| 50C | Stuffing box capscrew | 911125-120 |
| 51 | Seal chamber bushing | 427506-000 |
| 52 | Seal cover capscrew | 911125-416 |
| 53 | Seal cover capscrew washer | 427118-100 |
| 54 | Seal cover | 427510-001 |
| 58 | Male straight connector | 939001-314 |
| 59 | Tubing | 997153-004 |
| 62 | Outside mechanical seal | 975002-394 |
| 62 | Outside mechanical seal | 975000-954 |
| 62 | Outside mechanical seal | 975000-968 |
| 62 | Outside mechanical seal | 975000-953 |
| 62 | Outside mechanical seal | 975000-969 |
| 63 | Tee | 931101-101 |
| 64 | Bushing | 931123-150 |
| 67 | Nipple | 938003-101 |
| 68 | Air vent | 218644-000 |
| 88 | Impeller lock collar | 427509-071 |
| 89 | Lock collar capscrew | 911817-405 |
Showing 24 of 44 parts – see the full list in the parts finder.
Not sure this is the right part?
Use our Armstrong Pump Parts Finder: choose Series 4300, 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 427496-031
Part Type Casing
Fits Series 4300 16 x 16 x 15, 16 x 16 x 15L
Drawing Item 4300: item 100
Specification Ductile iron, 250#; Ductile bronze fitted, 250#
Shipping cost: Inquire
Parts Finder canadianpumpshop.com/armstrong-parts-finder/
