NSN 4320-00-139-3981 Repair Services

Centrifugal Pump Impeller Overhaul, Repair, and Maintenance

MPN: A669, 55-22556-14R, 657C1156

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4320-00-139-3981 centrifugal pump impeller
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NSN 4320001393981


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AS9120B:2015 ISO 9001 Audited and Certified

FAA and EASA Part 145 Certified Repair Stations Ensuring the highest standards of quality and compliance for our clients' needs.

We specialize in the repair and refurbishment of nsn components. From mechanical assemblies to rotor blades, our comprehensive capabilities cover a wide range of NSN parts, providing cost effective solutions to extend the operational life of vital equipment.

NSN 4320-00-139-3981 has been designated as a repairable item and has been included in our capabilities catalog. If you require overhaul or repair services use the form on this page to send us your information. We will provide you with a lead time and price quote.

Repairability and Datasheet

NSN 4320-00-139-3981 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4320-00-139-3981
Categorization Parts, , of pumps for liquids
Repairability Code

Approximate Weight 0.0lb
Overall Width 3.125 inches
Keyway Width 0.313 inches
Overall Diameter 8.882 inches
Keyway Quantity 1
Keyway Length 3.125 inches
Blade Quantity 6
Hub Length 2.875 inches
Blade Type Straight
Design Type Double width
Mounting Method Key
Rotation Direction For Which Designed Counterclockwise
Hub Bore Diameter 1.625 inches
Hub Location Center of mounting flange
Hub Quantity 1
Keyway Type Straight
Special Features 2 1/4 in. Drill, 1/4 in. Deep holes equally spaced near one side only
Material Steel, corrosion resisting
Material Stainless steel

Part Numbers

Part Number Company RNAAC (Repair Depot)
A669 WARREN PUMPS LLC AX - DLA LAND AND MARITIME
55-22556-14R RAM CENTRIFUGAL PRODUCTS, INC. AX - DLA LAND AND MARITIME
657C1156 WARREN PUMPS LLC AX - DLA LAND AND MARITIME