NSN 4820-00-420-6845 Repair Services

Valve Seat Overhaul, Repair, and Maintenance

MPN: 708290-00, 1677, CD1677, 5568P

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-420-6845 valve seat
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NSN 4820004206845


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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 4820-00-420-6845 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 4820-00-420-6845 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-420-6845
Categorization Parts of taps, cocks, valves and similar appliances
Repairability Code

Approximate Weight 0.0lb
Thread Class 2a single threaded portion
Err Default 0.875 inches single threaded portion
Overall Height 0.875 inches
Body Inside Diameter 0.562 inches
Thready Qty Per Inch (tpi) 12 single threaded portion
Thread Size 4.125 inches single threaded portion
Seating Surface Shape Flat
Special Features 5 lightening holes equally spaced 1.188in. By 1.688 in.; center hole 9/16-12 unc thdw/counter bore 11/16 in. Diameter by 3/32 in. Deep onone @end of center hole
Material Copper alloy
Style Designator Plain threaded
Thread Series Designator Un single threaded portion

Part Numbers

Part Number Company RNAAC (Repair Depot)
708290-00 CURTISS-WRIGHT ELECTRO-MECHANICAL AX - DLA LAND AND MARITIME
1677 CURTISS-WRIGHT ELECTRO-MECHANICAL AX - DLA LAND AND MARITIME
CD1677 CURTISS-WRIGHT ELECTRO-MECHANICAL AX - DLA LAND AND MARITIME
5568P CURTISS-WRIGHT ELECTRO-MECHANICAL AX - DLA LAND AND MARITIME
708290-00 CURTISS-WRIGHT ELECTRO-MECHANICAL ZZ - USA
1677 CURTISS-WRIGHT ELECTRO-MECHANICAL ZZ - USA
CD1677 CURTISS-WRIGHT ELECTRO-MECHANICAL ZZ - USA