NSN 4820-00-473-9977 Repair Services

Valve Disk Overhaul, Repair, and Maintenance

MPN: A10-7944-002-002-S, A10-7944-2-002, A10-7944-2-148, A10-7944-2-52

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-473-9977 valve disk
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NSN 4820004739977


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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 4820-00-473-9977 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 4820-00-473-9977 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-473-9977
Categorization Parts of taps, cocks, valves and similar appliances
Repairability Code

Approximate Weight 11.3lb
Thread Class 2b
Outside Diameter 2.235 inches
Shoulder Height 0.242 inches
Shoulder Width 0.080 inches
Thready Qty Per Inch (tpi) 12
Thread Size 2.250 inches
Seat Angle 10.0 degrees
Special Features W/stem and stem retaining nut
Material Stainless steel
Style Designator Plug
Thread Series Designator Un

Part Numbers

Part Number Company RNAAC (Repair Depot)
A10-7944-002-002-S VELAN VALVE CORPORATION AX - DLA LAND AND MARITIME
A10-7944-2-002 VELAN VALVE CORPORATION AX - DLA LAND AND MARITIME
A10-7944-2-148 VELAN VALVE CORPORATION AX - DLA LAND AND MARITIME
A10-7944-2-52 VELAN VALVE CORPORATION AX - DLA LAND AND MARITIME