NSN 4320-00-077-0931 Repair Services

Wearing Ring Overhaul, Repair, and Maintenance

MPN: C258A

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4320-00-077-0931 wearing ring
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NSN 4320000770931


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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 4320-00-077-0931 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 4320-00-077-0931 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4320-00-077-0931
Categorization Parts, , of pumps for liquids
Repairability Code

Approximate Weight 3.0lb
Body Style Internal flange w/external locking flange
Overall Length 1.005 inches
Body Outside Diameter 5.250 inches
Body Inside Diameter Between 4.480 inches and 4.500 inches
Corner Radius 0.078 inches inside right corner
Left Side Flange Thickness Between 0.188 inches and 0.203 inches
Right Side Flange Thickness Between 0.188 inches and 0.203 inches
Distance Between Flanges 0.625 inches
End To Flange Distance Between 0.780 inches and 0.812 inches
Internal Flange Inside Diameter 3.625 inches
Internal Flange Width Between 0.328 inches and 0.375 inches
Smallest External Anchor Flange Radius Between 2.500 inches and 2.555 inches
Largest External Anchor Flange Radius 2.750 inches
Distance Below Centerline 0.125 inches
Distance From End 0.250 inches
Corner Shape Square outside right corner
Material Copper alloy

Part Numbers

Part Number Company RNAAC (Repair Depot)
C258A WARREN PUMPS LLC AX - DLA LAND AND MARITIME