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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442003-019 Armstrong Motor Stator 5310/20-75 -230/1/60
Armstrong
442003-019 Armstrong Motor Stator 5310/20-75 -230/1/60 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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442003-020 Armstrong Motor Stator 5310/20-100 -230/1/60
Armstrong
442003-020 Armstrong Motor Stator 5310/20-100 -230/1/60 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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442003-021 Armstrong Motor Stator 5310/20-100 -230/3/60
Armstrong
442003-021 Armstrong Motor Stator 5310/20-100 -230/3/60 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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442003-022 Armstrong Motor Stator 5310/20-100 -575/3/60
Armstrong
442003-022 Armstrong Motor Stator 5310/20-100 -575/3/60 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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442003-023 Armstrong Motor Stator 5310/20-150 -230/1/60
Armstrong
442003-023 Armstrong Motor Stator 5310/20-150 -230/1/60 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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442003-024 Armstrong Motor Stator 5310/20-150 -575/3/60
Armstrong
442003-024 Armstrong Motor Stator 5310/20-150 -575/3/60 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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442003-025 Armstrong Motor Shaft And Rotor 5310/20-33
Armstrong
442003-025 Armstrong Motor Shaft And Rotor 5310/20-33 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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442003-026 Armstrong Motor Shaft And Rotor 5310/20-50
Armstrong
442003-026 Armstrong Motor Shaft And Rotor 5310/20-50 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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442003-027 Armstrong Motor Shaft And Rotor 5310/20-75
Armstrong
442003-027 Armstrong Motor Shaft And Rotor 5310/20-75 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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442003-028 Armstrong Motor Shaft And Rotor 5310/20-100
Armstrong
442003-028 Armstrong Motor Shaft And Rotor 5310/20-100 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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442003-029 Armstrong Motor Shaft And Rotor 5310/20-150
Armstrong
442003-029 Armstrong Motor Shaft And Rotor 5310/20-150 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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442003-030 Armstrong Motor Shaft And Rotor 5330-100
Armstrong
442003-030 Armstrong Motor Shaft And Rotor 5330-100 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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442003-031 Armstrong Motor Shaft And Rotor 5330-200
Armstrong
442003-031 Armstrong Motor Shaft And Rotor 5330-200 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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442003-032 Armstrong Grinder Cutter
Armstrong
442003-032 Armstrong Grinder Cutter This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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442003-033 Armstrong Grinder Cutting Disc
Armstrong
442003-033 Armstrong Grinder Cutting Disc This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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4S0083294 Armstrong 22mm Pump Seal
Armstrong
4S0083294 Armstrong 22mm seal (Not available - purchase kit 4S4043095 instead) This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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4S0083295 Armstrong Pump 22mm Seat
Armstrong
4S0083295 Armstrong 22mm seat (Not available - purchase kit 4S4043095 instead) This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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4S4006136 Armstrong Pump 14mm Seat
Armstrong
4S4006136 Armstrong 14mm seat (Not available - purchase kit 4S4009392 instead) This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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4S4032286 Armstrong o-ring tube epdm 185ix4t
Armstrong
4S4032286 Armstrong o-ring tube epdm 185ix4t (Not available - purchase kit 4043095 instead) This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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4S4033289 Armstrong Ring-spcr mseal 25bar 316ss l (Not available - purchase kit 4043095 instead)
Armstrong
4S4043095 Armstrong 4S4033289 Armstrong Ring-spcr mseal 25bar 316ss l (Not available - purchase kit 4043095 instead) This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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4S4045259 Armstrong 22x34.925 Coupling
Armstrong
$95.124S4045259 Armstrong 22x34.925 Coupling This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$95.12 -
516807-004 Armstrong Gasket
Armstrong
$167.95516807-004 Armstrong Gasket This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$167.95 -
516807-005 Armstrong Gasket
Armstrong
$68.95516807-005 Armstrong Gasket. This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$68.95 -
516862-114 Armstrong Gasket - Cover
Armstrong
$412.95516862-114 Armstrong Gasket - Cover This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$412.95 -
516896-000 Armstrong Strainer Assembly SG-2, 2.5" (Including Start-Up Strainer)
Armstrong
$318.95516896-000 Armstrong Strainer Assembly SG-2, 2.5" (Including Start-Up Strainer) This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$318.95 -
516970-000 Armstrong Strainer Assembly SG-12" (Including Start-Up Strainer)
Armstrong
$1,368.95516970-000 Armstrong Strainer Assembly SG-12" (Including Start-Up Strainer) This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$1,368.95 -
570148-001 Armstrong Plug -PMP 1/4 NPT (Use 570148-003)
Armstrong
570148-001 Armstrong Plug -PMP 1/4 NPT (Use 570148-003) This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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570155-106 Armstrong Handle Assembly w/Indicator 2.5 - 6" CBV
Armstrong
$181.95570155-106 Armstrong Handle Assembly w/Indicator 2.5 - 6" CBV This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$181.95 -
570155-120 Armstrong Handle Assembly w/Indicator 1/2 - 2" CBV
Armstrong
$151.95570155-120 Armstrong Handle Assembly w/Indicator 1/2 - 2" CBV This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$151.95 -
570157-000 Armstrong Cap - Release
Armstrong
570157-000 Armstrong Cap - Release This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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570203-002 Armstrong Spring, 2.5" FTV
Armstrong
$17.80570203-002 Armstrong Spring, 2.5" FTV This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$17.80 -
570203-004 Armstrong Spring, 4" FTV
Armstrong
$36.00570203-004 Armstrong Spring, 4" FTV This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$36.00 -
606850-011 Armstrong HD Cast Iron 10" 4P #1 125#
Armstrong
$2,858.60606850-011 Armstrong HD Cast Iron 10" 4P #1 125# This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$2,858.60 -
606851-011 Armstrong HD Cast Iron 10" 2P #1 125#
Armstrong
$3,195.70606851-011 Armstrong HD Cast Iron 10" 2P #1 125# This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$3,195.70 -
614847-011 Armstrong HD Cast Iron 10" 2P #2 150#
Armstrong
$7,124.95614847-011 Armstrong HD Cast Iron 10" 2P #2 150#. This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$7,124.95 -
617172-011 Armstrong HD Cast Iron 18" 4P #1 125#
Armstrong
$5,240.80617172-011 Armstrong HD Cast Iron 18" 4P #1 125# This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$5,240.80 -
691300-007 Armstrong Gasket SHL 16" 2P Non ASB
Armstrong
$348.95691300-007 Armstrong Gasket SHL 16" 2P Non ASB. *Please note image is generic. This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$348.95 -
691300-010 Armstrong Gasket SHL 22" 2P Non ASB
Armstrong
$675.30691300-010 Armstrong Gasket SHL 22" 2P Non ASB This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$675.30 -
691300-012 Armstrong Gasket SHL 26" 2P Non ASB
Armstrong
$922.55691300-012 Armstrong Gasket SHL 26" 2P Non ASB This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$922.55 -
691301-007 Armstrong Gasket HD 16" 2P Non ASB
Armstrong
$358.95691301-007 Armstrong Gasket HD 16" 2P Non ASB. *Please note image is generic. This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$358.95