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ST
FLOWSERVE

1/2" Replacement Pump Shaft Seal, 0.237" Seat Thickness

  • Item # 5NC03
  • My Part #
  • Mfr. Model # 21-050-43
  • Catalog Page # 2693
  • UNSPSC # 31181604
1/2" Replacement Pump Shaft Seal, 0.237" Seat Thickness close
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Web Price $17.55 / each
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  • Shipping Weight 0.05 lbs.
Country of Origin Mexico Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Product Details

Rotary unit has a crimped head to withstand higher pressures and shaft speeds; stays in-place during installation and protects against being dislodged by foreign material. Hex-torque drive system provides longer seal life and helps reduce wear on shaft. Offers dependable sealing in mechanical pumps up to 250 psi. Hex-shaped outer shell reduces stress on components. Type 31 O-ring mount.

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Technical Specs

  • Item Replacement Pump Shaft Seal
  • Seal Type 21
  • Shaft Size (In.) 1/2
  • Nominal Working Length (In.) 0.750
  • Seat Bore 0.934"
  • Seat Thickness 0.237"
  • Material Content Code BCFJF
  • Standard Industry Seal Number 392
  • Replacement For US Seal Type C, Crane Type 21 and Sealol Type 43. Type 31 O-ring Mount, 1R316, 5NC05, 1R307 and 1R301 Need no Spring Retainer
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