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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975000-910 Armstrong Rac Seat Gasket 1 1/8" Upper
Armstrong
975000-910 Armstrong Rac Seat Gasket 1 1/8" Upper This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975000-911 Armstrong Rac Seat Gasket 1 1/8"Lower
Armstrong
975000-911 Armstrong Rac Seat Gasket 1 1/8"Lower This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975000-918 Armstrong Seat-CER 1.75 w/Buna
Armstrong
$194.95975000-918 Armstrong Seat-CER 1.75 w/Buna. This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$194.95 -
975000-919 Armstrong Seat-NIR 1.75 w/BUNA
Armstrong
$62.95975000-919 Armstrong Seat-NIR 1.75 w/BUNA. This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$62.95 -
975000-920 Armstrong Seat-TC 1.75 w/Buna
Armstrong
975000-920 Armstrong Seat-TC 1.75 w/Buna This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975000-923 Armstrong Seat-TC - 1.125 wtih Buna
Armstrong
975000-923 Armstrong Seat-TC 1.125 w/Buna This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975000-925 Armstrong Seat-NIR 2.5 w/Buna
Armstrong
975000-925 Armstrong Seat-NIR 2.5 w/Buna This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975000-927 Armstrong Seat-Nir 1.125 w/EPDM
Armstrong
$228.94975000-927 Armstrong Seat-Nir 1.125 w/EPDM. This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$228.94 -
975000-931 Armstrong Seat-Nir
Armstrong
$144.95975000-931 Armstrong Seat-Nir 2.125 w/EPDM This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$144.95 -
975000-940 Armstrong Rac Seat Gasket 1 5/8" Upper
Armstrong
975000-940 Armstrong Rac Seat Gasket 1 5/8" Upper This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975000-941 Armstrong Rac Seat Gasket 1 5/8" Lower
Armstrong
975000-941 Armstrong Rac Seat Gasket 1 5/8" Lower This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975000-942 Armstrong Rac Seat Gasket 2 1/8" Upper
Armstrong
975000-942 Armstrong Rac Seat Gasket 2 1/8" Upper This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975000-943 Armstrong Rac Seat Gasket 2 1/8" Lower
Armstrong
975000-943 Armstrong Rac Seat Gasket 2 1/8" Lower This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975000-947 Armstrong O-Ring 1 1/8 Dura
Armstrong
975000-947 Armstrong O-Ring 1 1/8 Dura This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975000-948 Armstrong O-Ring 1 5/8 Dura
Armstrong
975000-948 Armstrong O-Ring 1 5/8 Dura This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975000-949 Armstrong O-Ring 2 1/8 Dura
Armstrong
975000-949 Armstrong O-Ring 2 1/8 Dura This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975000-965 Armstrong Seal-Mech 1.125 JC 8B2 XF-101
Armstrong
$3,251.95975000-965 Armstrong Seal-Mech 1.125 JC 8B2 XF-101. This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$3,251.95 -
975000-966 Armstrong Seal-Mech 1.625
Armstrong
$3,261.95975000-966 Armstrong Seal-Mech 1.625 JC 8B2 XF-101. This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$3,261.95 -
975000-983 Armstrong Seal Kit 1.625 Viton Type 2A
Armstrong
975000-983 Armstrong Seal Kit 1.625 Viton Type 2A (Obsolete - Use 975000-984) This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975000-987 Armstrong Seal Kit 2.125 Viton Type 2A (Obsolete - Use 975000-985)
Armstrong
975000-987 Armstrong Seal Kit 2.125 Viton Type 2A (Obsolete - Use 975000-985) This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975000-997 Armstrong Seal Kit Type 21 Silicone Carbide
Armstrong
975000-997 Armstrong Seal Kit 2.125 EDPM Type 21 (Silicone Carbide) (Obsolete - USE 9975000-997) This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-011 Armstrong Mechanical Seal 1.75 JC21 BP1-1
Armstrong
975001-011 Armstrong Mechanical Seal 1.75 JC21 BP1-1 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-014 Armstrong Mechanical Seal 1.75 JC21 XP1-1
Armstrong
975001-014 Armstrong Mechanical Seal 1.75 JC21 XP1-1 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-031 Armstrong Mechanical Seal 1.75 JC21 BP1-1
Armstrong
975001-031 Armstrong Mechanical Seal 1.75 JC21 BP1-1 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-044 Armstrong Mechanical Seal 1.75 JC21 XP1-1
Armstrong
975001-044 Armstrong Mechanical Seal 1.75 JC21 XP1-1 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-077 Armstrong Seal-Mech 2.125 JC21 OP1-1
Armstrong
$3,821.95975001-077 Armstrong Seal-Mech 2.125 JC21 OP1-1. This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$3,821.95 -
975001-110 Armstrong Seal-Mech 1.25 JC 1B BP2-1
Armstrong
975001-110 Armstrong Seal-Mech 1.25 JC 1B BP2-1 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-111 Armstrong Mechanical Seal 1.25 JC 1B BP1-1
Armstrong
975001-111 Armstrong Mechanical Seal 1.25 JC 1B BP1-1 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-141 Armstrong Mechanical Seal 1.75 JC 1B BP1-1
Armstrong
975001-141 Armstrong Seal-Mech 1.75 JC 1B BP1-1 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-144 Armstrong Mechanical Seal 1.75 JC 1B XP1-1
Armstrong
975001-144 Armstrong Mechanical Seal 1.75 JC 1B XP1-1 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-212 Armstrong Mechanical Seal 1.25 JC 9T QP1-1
Armstrong
975001-212 Armstrong Mechanical Seal 1.25 JC 9T QP1-1 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-242 Armstrong Mechanical Seal 1.75 JC 9T QP1-1
Armstrong
975001-242 Armstrong Mechanical Seal 1.75 JC 9T QP1-1 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-312 Armstrong Mechanical Seal 1.25 JC 9BT QP1-1
Armstrong
975001-312 Armstrong Mechanical Seal 1.25 JC 9BT QP1-1 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-414 Armstrong Mechanical Seal 1.25 JC 8-1T XP1-1
Armstrong
975001-414 Armstrong Mechanical Seal 1.25 JC 8-1T XP1-1 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-504 Armstrong Mechanical Seal 1.25 JC 1 XP1-1
Armstrong
975001-504 Armstrong Mechanical Seal 1.25 JC 1 XP1-1 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-514 Armstrong Mechanical Seal 1.25 JC 1 XP1-1
Armstrong
975001-514 Armstrong Mechanical Seal 1.25 JC 1 XP1-1 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-534 Armstrong Mechanical Seal 1.625 JC 1 XP1-1
Armstrong
975001-534 Armstrong Mechanical Seal 1.625 JC 1 XP1-1 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-578 Armstrong Seal-Mech 2.125 JC1 O28P66 2-1
Armstrong
975001-578 Armstrong Seal-Mech 2.125 JC1 O28P66 2-1 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-580 Armstrong Mechanical Seal 2.5 JC1 BP2-1
Armstrong
975001-580 Armstrong Mechanical Seal 2.5 JC1 BP2-1 This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
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975001-581 Armstrong Mechanical Seal
Armstrong
$942.95975001-581 Armstrong Seal-Mech 2.5 JC1 BP1-1. This Item Usually Ships Same Day!- Availability:
- This Item Usually Ships The Same Day!
$942.95