Product Description
Armstrong Mechanical Seal (Type 21 BP-171 seal & seat only · Ni-resist · Buna) – Part No. 975000-997
Genuine Armstrong replacement mechanical seal, Armstrong part number 975000-997, for Series 4600 pumps. Shown as item 44 on the Series 4600 drawing (parts list 6046.100) – highlighted in the pictures above.
Specification: Type 21 BP-171 seal & seat only · Ni-resist · Buna
Fits these Armstrong pumps
- Series 4600 (horizontal split case) – pump sizes 5 × 4 × 10L, 6 × 5 × 10H, 6 × 5 × 10L, 8 × 6 × 10L, 8 × 6 × 10H, 10 × 8 × 11L, 10 × 8 × 11H, 5 × 4 × 12L, 5 × 4 × 12H, 6 × 5 × 12L, 6 × 5 × 12H, 8 × 6 × 12½L, 8 × 6 × 12½H, 10 × 8 × 14L, 10 × 8 × 14H, 6 × 5 × 15L, 6 × 5 × 15H, 8 × 6 × 15L, 8 × 6 × 15H
- Service: Seal – Type 21 BP-171 seal & seat only
- Drawing item: 44
Other parts for this pump
Rebuilding a Series 4600 5 × 4 × 10L? These parts are often replaced at the same time:
Showing 24 of 54 parts – see the full list in the parts finder.
Not sure this is the right part?
Use our Armstrong Pump Parts Finder: choose Series 4600, 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 975000-997
Part Type Mechanical Seal
Fits Series 4600 (1) 5 x 4 x 10L, 6 x 5 x 10H, 6 x 5 x 10L, 8 x 6 x 10L, 8 x 6 x 10H, 10 x 8 x 11L, 10 x 8 x 11H, 5 x 4 x 12L, 5 x 4 x 12H, 6 x 5 x 12L, 6 x 5 x 12H, 8 x 6 x 12-1/2L, 8 x 6 x 12-1/2H, 10 x 8 x 14L, 10 x 8 x 14H, 6 x 5 x 15L, 6 x 5 x 15H
Fits Series 4600 (2) 8 x 6 x 15L, 8 x 6 x 15H
Drawing Item 4600: item 44
Specification Type 21 BP-171 seal & seat only | Ni-resist | Buna
Shipping cost: Inquire
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