NSN 4320-00-290-8516 Repair Services

Wearing Ring Overhaul, Repair, and Maintenance

MPN: CA9090-9-1NICU

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4320-00-290-8516 wearing ring
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NSN 4320002908516


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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 4320-00-290-8516 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 4320-00-290-8516 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4320-00-290-8516
Categorization Parts, , of pumps for liquids
Repairability Code

Approximate Weight 1.5lb
Body Style Internal and external flange
Overall Length 0.875 inches
Flange Diameter Between 5.875 inches and 5.880 inches
Body Outside Diameter Between 5.623 inches and 5.624 inches
Body Inside Diameter Between 5.279 inches and 5.281 inches
Corner Radius 0.250 inches inside right corner
End To Flange Distance Between 0.252 inches and 0.256 inches
Internal Flange Inside Diameter 4.000 inches
Internal Flange Width 0.625 inches
Center Flange Thickness 0.312 inches
Distance From Hole Center To Right Face 0.250 inches
Corner Shape Square outside right corner
Material Nickel alloy

Part Numbers

Part Number Company RNAAC (Repair Depot)
CA9090-9-1NICU BUFFALO PUMPS, INC. AX - DLA LAND AND MARITIME