NSN 4820-00-306-4840 Repair Services

Valve Seat Overhaul, Repair, and Maintenance

MPN: 1039

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-306-4840 valve seat
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NSN 4820003064840


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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 4820-00-306-4840 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 4820-00-306-4840 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-306-4840
Categorization Parts of taps, cocks, valves and similar appliances
Repairability Code

Approximate Weight 0.0lb
Thread Class 2b single threaded portion
Thread Length Any acceptable single threaded portion
Overall Height Between 0.668 inches and 0.678 inches
Body Inside Diameter Between 0.154 inches and 0.158 inches
Seal Accommodation Type Recessed
Hardness Rating 53.0 rockwell c and 62.0 rockwell c face
Thread Size 0.164 inches single threaded portion
Seating Surface Shape Flat
Special Features 4 bleed holes
Material Any acceptable
Style Designator Plain threaded
Thread Series Designator Unc single threaded portion
Fsc Application Data Valve, safety relief, nonpowered

Part Numbers

Part Number Company RNAAC (Repair Depot)
1039 DROITCOUR COMPANY AX - DLA LAND AND MARITIME