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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975001-610 Armstrong Mechanical Seal 1.625 JC2 BP2-1
Armstrong
975001-610 Armstrong Mechanical Seal 1.625 JC2 BP2-1 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-614 Armstrong Mechanical Seal 1.625 JC2 XP1-1
Armstrong
975001-614 Armstrong Mechanical Seal 1.625 JC2 XP1-1 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-615 Armstrong Seal-Mechanical 1.625 JC2 XP2-1
Armstrong
975001-615 Armstrong Seal-Mechanical 1.625 JC2 XP2-1 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-630 Armstrong Seal-Mech 1.625 JC2 BP2-1
Armstrong
975001-630 Armstrong Seal-Mech 1.625 JC2 BP2-1 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-635 Armstrong Seal-Mech 1.625 JC2 XP2-1
Armstrong
975001-635 Armstrong Seal-Mech 1.625 JC2 XP2-1 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-636 Armstrong Seal-Mech 1.625 JC2 BP8-1
Armstrong
975001-636 Armstrong Seal-Mech 1.625 JC2 BP8-1 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-640 Armstrong Seal-Mech 1.75 JC 2 BP2-1
Armstrong
975001-640 Armstrong Seal-Mech 1.75 JC 2 BP2-1 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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9975000-993 Armstrong Seal Kit 1.625 EDPM Type 21A
Armstrong
9975000-993 Armstrong Seal Kit 1.625 EDPM Type 21A (Silicone Carbide) (Obsolete - USE 975000-984) This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-714 Armstrong Mechanical Seal
Armstrong
$154.95975001-714 Armstrong Seal-Mech 1.250 JC21 XF12 1-1. This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$154.95 -
975001-734 Armstrong Mechanical Seal
Armstrong
$374.95975001-734 Armstrong Seal-Mech 1.625 JC21 XF12 1-1. This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$374.95 -
975002-001 Armstrong Mechanical Seal
Armstrong
$2,308.95975002-001 Armstrong Seal-Mech 1.125 DUR RA EU5-FV. This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$2,308.95 -
975002-031 Armstrong Mechanical Seal
Armstrong
$2,314.95975002-031 Armstrong Seal-Mech 2.125 DUR RA EU5-FV. This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$2,314.95 -
975002-032 Armstrong Seal-Mech 1.625 DUR RA EU0-FV
Armstrong
975002-032 Armstrong Seal-Mech 1.625 DUR RA EU0-FV This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975002-073 Armstrong Seal-Mech 2.125 DUR RA EP5-FV
Armstrong
$963.00975002-073 Armstrong Seal-Mech 2.125 DUR RA EP5-FV This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$963.00 -
414498-011 Armstrong Stuff Box Cover Cast Iron "D" M
Armstrong
414498-011 Armstrong Stuff Box Cover Cast Iron "D" M This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975002-375 Armstrong Seal-Mech 2.125 AB2 AC-SC316-V
Armstrong
$782.75975002-375 Armstrong Seal-Mech 2.125 AB2 AC-SC316-V This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$782.75 -
975002-395 Armstrong Seal-Mech 2.625 AB2 AC-SC316-V
Armstrong
$1,421.95975002-395 Armstrong Seal-Mech 2.625 AB2 AC-SC316-V. This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$1,421.95 -
975003-702 Armstrong Air Vent Fitting 3/8"
Armstrong
975003-702 Armstrong Air Vent Fitting 3/8" This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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997407-034 Armstrong Tubing Bearing 3/8" .040W (Per Inch)
Armstrong
$1.40997407-034 Armstrong Tubing Bearing 3/8" .040W (Per Inch) This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$1.40 -
9975000-987 Armstrong Pump Seal Kit
Armstrong
9975000-987 Armstrong Pump Seal Kit 2.125 Viton Type 2A (Al Carbon-Silicone Carbide - For non-potable water ONLY) End Of Run - Use 9975001-873. This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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9975001-633 Armstrong Pkg Seal 1.625 2A c-sc316 EPDM O-Ring
Armstrong
$254.959975001-633 Armstrong Pkg Seal 1.625 2A c-sc316 EPDM O-Ring. This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$254.95 -
413421-041 Armstrong Casing Bronze 1B - 4260 (Obsolete)
Armstrong
413421-041 Armstrong Casing BRZ 1B - 4260 (Obsolete) This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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413421-011 Armstrong Casing Cast Iron 1B - 4260 (Obsolete)
Armstrong
413421-011 Armstrong Casing CI 1B - 4260 (Obsolete) This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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412737-041 Armstrong Casing Bronze 1B - 4260 - (Obsolete)
Armstrong
412737-041 Armstrong Casing BRZ 1B - 4260 - (Obsolete) This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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412737-011 Armstrong Casing Cast Iron 1B - 4260 - (Obsolete)
Armstrong
412737-011 Armstrong Casing CI 1B - 4260 - (Obsolete) This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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411941-041 Armstrong Impeller Bronze 5E S 9.5" Full Size
Armstrong
$2,455.95411941-041 Armstrong IMP BRZ 5E S 9.5" Full Size This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$2,455.95 -
411941-011 Armstrong Cast Iron 5E 9.5" Full Size
Armstrong
411941-011 Armstrong Cast Iron 5E 9.5" Full Size This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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411940-041 Armstrong Bronze Impeller 4E S 9.5 Full Size
Armstrong
$2,182.95411940-041 Armstrong Bronze Impeller 4E S 9.5" Full Size. Please Contact Us For Lead Time!- Availability:
- Please Contact Us For Lead Time!
$2,182.95 -
411940-011 Armstrong Cast Iron Impeller 4E S 9.5" Full Size
Armstrong
411940-011 Armstrong Cast Iron Impeller 4E S 9.5" Full Size This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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411896-041 Armstrong Stuff Box Cover BRZ "E" M
Armstrong
411896-041 Armstrong Stuff Box Cover BRZ "E" M This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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411883-012 Armstrong Bracket M/P E Size 4280
Armstrong
411883-012 Armstrong Bracket M/P E Size 4280 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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411881-041 Armstrong Bronze Impeller 2.5E S 9.5" Full Size
Armstrong
$2,280.95411881-041 Armstrong Bronze Impeller 2.5E S 9.5" Full Size This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$2,280.95 -
411881-011 Armstrong Cast Iron Impeller 2.5E S 9.5" Full Size
Armstrong
411881-011 Armstrong IMP CI 2.5E S 9.5" Full Size This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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411874-041 Armstrong Bronze Impeller 4D S 7" Full Size
Armstrong
$2,457.95411874-041 Armstrong Bronze Impeller 4D S 7" Full Size. This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$2,457.95 -
411874-011 Armstrong Cast Iron Impeller CI 4D S 7" Full Size
Armstrong
411874-011 Armstrong IMP CI 4D S 7" Full Size This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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411868-041 Armstrong Bronze Impeller 3D S 7" Full Size
Armstrong
$2,331.95411868-041 Armstrong Bronze Impeller 3D S 7" Full Size. This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$2,331.95 -
411868-011 Armstrong Cast Iron Impeller 3D S 7" Full Size
Armstrong
411868-011 Armstrong IMP CI 3D S 7" Full Size This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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411860-011 Armstrong Cast Iron Impeller 2D S 7" Full Size
Armstrong
411860-011 Armstrong IMP CI 2D S 7" Full Size This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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411852-011 Armstrong Cast Iron Impeller 1.25D S 7" Full Size
Armstrong
411852-011 Armstrong IMP CI 1.25D S 7" Full Size This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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411678-011 Armstrong Casing CI 1 1/4B - 4260
Armstrong
411678-011 Armstrong Casing CI 1 1/4B - 4260 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!