Pump Parts
National Pump Supply stocks repair parts for pumps and boiler controls for the following brands: Bell & Gossett, Armstrong Fluid Technology, Taco HVAC, McDonnell & Miller, Domestic Pump, Goulds, Weil, ABS, Shipco and several more. We also custom build most of the big base mounted end suction pumps, inline, close coupled, double suction, split case and vertical turbine pumps, Please give us a call if you have any questions or send us an email with what parts your looking for. Data plate pictures are also very helpful.
If you have questions you can also email your request to us at: Sales@NationalPumpSupply.com.



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426380-011 Armstrong Stuff-Box Adapt Cast Iron 6" 213/256JP
Armstrong
426380-011 Armstrong Stuff-Box Adapt Cast Iron 6" 213/256JP This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426381-011 Armstrong Stuff-Box Adapt Cast Iron M 6"
Armstrong
426381-011 Armstrong Stuff-Box Adapt Cast Iron M 6" This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426384-011 Armstrong Adapter Cast Iron 8" S 143-184JP
Armstrong
426384-011 Armstrong Adapter Cast Iron 8" S 143-184JP This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426386-011 Armstrong Adapter Cast Iron 10" S 143-184JP
Armstrong
426386-011 Armstrong Adapter Cast Iron 10" S 143-184JP This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426387-011 Armstrong Adapter Cast Iron 10" "M"
Armstrong
426387-011 Armstrong Adapter Cast Iron 10" "M" This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426387-031 Armstrong Adapter DI 10" "M"
Armstrong
426387-031 Armstrong Adapter DI 10" "M" This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426390-011 Armstrong Adapter Cast Iron 13" 40M M
Armstrong
426390-011 Armstrong Adapter Cast Iron 13" 40M M This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426398-011 Armstrong Adapter
Armstrong
426398-011 Armstrong Adapter This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426400-001 Armstrong Gasket Sleeve Teflon 40P S
Armstrong
426400-001 Armstrong Gasket Sleeve Teflon 40P S This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426401-012 Armstrong Gasket Teflon
Armstrong
426401-012 Armstrong Gasket Teflon This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426401-024 Armstrong Gasket Klinger 10 " C
Armstrong
$158.95426401-024 Armstrong Gasket Klinger 10 " C This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$158.95 -
426402-003 Armstrong Gasket Sleeve Teflon 42P M
Armstrong
426402-003 Armstrong Gasket Sleeve Teflon 42P M This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426403-006 Armstrong Gasket Sleeve Teflon 42P S
Armstrong
426403-006 Armstrong Gasket Sleeve Teflon 42P S This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426403-007 Armstrong Gasket Sleeve Teflon 42P M
Armstrong
426403-007 Armstrong Gasket Sleeve Teflon 42P M This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426404-002 Armstrong Gasket Sleeve Teflon 42P S
Armstrong
426404-002 Armstrong Gasket Sleeve Teflon 42P S This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426404-003 Armstrong Gasket Sleeve Teflon 42P M
Armstrong
426404-003 Armstrong Gasket Sleeve Teflon 42P M This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426431-001 Armstrong Shaft STRSSPRF STL S
Armstrong
426431-001 Armstrong Shaft STRSSPRF STL S This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426431-002 Armstrong Shaft 316SST S
Armstrong
426431-002 Armstrong Shaft 316SST S This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426432-001 Armstrong Shaft STRSSPRF STL M
Armstrong
426432-001 Armstrong Shaft STRSSPRF STL M This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426434-001 Armstrong Shaft STRSSPRF STL S
Armstrong
426434-001 Armstrong Shaft STRSSPRF STL S This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426435-001 Armstrong Shaft STRSSPRF STL M
Armstrong
426435-001 Armstrong Shaft STRSSPRF STL M This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426451-001 Armstrong Lantern-Ring 1-1/8 ID
Armstrong
$218.95426451-001 Armstrong Lantern-Ring 1-1/8 ID. This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$218.95 -
426451-003 Armstrong Lantern-Ring Teflon 1.625ID
Armstrong
$202.95426451-003 Armstrong Lantern-Ring Teflon 1.625ID. This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$202.95 -
426451-041 Armstrong Lantern-Ring Bronze S-FR
Armstrong
426451-041 Armstrong Lantern-Ring Bronze S-FR This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426452-041 Armstrong Lantern-Ring M
Armstrong
426452-041 Armstrong Lantern-Ring M This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426461-041 Armstrong Gland-Split (S) Bronze 1.125
Armstrong
426461-041 Armstrong Gland-Split (S) Bronze 1.125 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426461-071 Armstrong Gland-Split (S) SST 1.125
Armstrong
426461-071 Armstrong Gland-Split (S) SST 1.125 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426462-041 Armstrong Cast Gland-Split (M) Bronze 1.75
Armstrong
426462-041 Armstrong Cast Gland-Split (M) Bronze 1.75 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426463-011 Armstrong Gland-Split (L) Cast Iron 2.125
Armstrong
$198.95426463-011 Armstrong Gland-Split (L) Cast Iron 2.125 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$198.95 -
426467-002 Armstrong Gasket-Gland (M) Fibre-Nitrile
Armstrong
$28.95426467-002 Armstrong Gasket-Gland (M) Fibre-Nitrile This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$28.95 -
426470-071 Armstrong Sleeve-Shaft SST
Armstrong
426470-071 Armstrong Sleeve-Shaft SST This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426471-071 Armstrong Sleeve-Shaft 316SST
Armstrong
426471-071 Armstrong Sleeve-Shaft 316SST This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426471-072 Armstrong Sleeve-Shaft Chrome P
Armstrong
426471-072 Armstrong Sleeve-Shaft Chrome P This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426472-071 Armstrong Sleeve-Shaft SST
Armstrong
$504.65426472-071 Armstrong Sleeve-Shaft SST This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$504.65 -
426474-071 Armstrong Sleeve-Shaft SST
Armstrong
426474-071 Armstrong Sleeve-Shaft SST This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426485-002 Armstrong Cover-Seal Bronze M 1.625
Armstrong
$1,987.95426485-002 Armstrong Cover-Seal Bronze M 1.625. Please Contact Us For Lead Time!- Availability:
- Please Contact Us For Lead Time!
$1,987.95 -
426491-011 Armstrong Housing-Bearing Cast Iron
Armstrong
426491-011 Armstrong Housing-Bearing Cast Iron This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426491-013 Armstrong Housing-Bearing Cast Iron
Armstrong
426491-013 Armstrong Housing-Bearing Cast Iron This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426501-011 Armstrong Cover-Bearing IB Cast Iron S
Armstrong
426501-011 Armstrong Cover-Bearing IB Cast Iron S This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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426501-012 Armstrong Cover-Bearing IB Cast Iron S
Armstrong
426501-012 Armstrong Cover-Bearing IB Cast Iron S This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!