Seal, Pump Shaft, 7/8 In

FLOWSERVE — Pump Shaft Seals — Seal, Pump Shaft, 7/8 In

Designed for professional use, this FLOWSERVE Pump Shaft Seals helps keep parts and tooling consistent across routine service tasks.

Quick specs

• Seat Bore: 1.5 in
• Standard Industry Seal Number: 309, 703
• Min. Temp. (F): -40 Degrees F
• Shaft Size (In.): 7/8 in
• Manufacturer Part Number: 21-087-04
• UPC: -

Product information

• Manufacturer Part Number: 21-087-04
• UPC: -
• Country of Origin: Mexico

Dimensions

• For Shaft Diameter: 7/8 in
• Working Length: 0.94 in
• Shaft Size (In.): 7/8 in
• Nominal Working Length (In.): 0.937 in
• Seat Thickness: 0.406 in

Details

• Shaft Seal Type: Mechanical Shaft Seal
• Shut Off Pressure (Maximum): 250 psi
• Seal Type Designation: 21
• Spring Type: Single Spring
• Standards: ISO 9001, TS16949
• Maximum Temperature: 400 Degrees F
• Minimum Temperature: -40 Degrees F
• Spring Material: Stainless Steel
• Seat Bore: 1.5 in
• Standard Industry Seal Number: 309, 703
• Min. Temp. (F): -40 Degrees F
• Seal Type: 21
• Max. Temp. (F): 225 Degrees F
• Material Content Code: BCFJF
• Item: Replacement Pump Shaft Seal
• Replacement For: Crane Type 21 and Sealol Type 43, US Seal Type C
• Gasket Material: Rubber
• Compatible with Media Type: Cooking Oil

This Pump Shaft Seals is designed to support reliable operation in demanding environments.

Recommended for planned maintenance programs and chosen for predictable fit and professional handling.

Highlights

• Works well in standardized part lists and preventative maintenance schedules.
• Clear specification formatting helps reduce ordering mistakes.
• Organized for straightforward purchasing and stocking.
• Suitable for maintenance, repair, and project-based procurement.

Notes: Review application constraints and installation requirements to ensure the part meets your needs.