NSN 4820-00-074-5220 Repair Services

Valve Seat Overhaul, Repair, and Maintenance

MPN: 301125-1125, FM7521D, FM-2262, 7803921

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-074-5220 valve seat
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NSN 4820000745220


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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 4820-00-074-5220 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 4820-00-074-5220 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-074-5220
Categorization Parts of taps, cocks, valves and similar appliances
Repairability Code

Approximate Weight 0.9lb
Thread Length 0.531 inches single threaded portion
Flange Diameter 2.656 inches
Body Inside Diameter Between 1.375 inches and 2.094 inches
Flange Seat To Disk End Height 0.250 inches
Under Flange Height 0.781 inches
Thready Qty Per Inch (tpi) 16 single threaded portion
Thread Size 2.500 inches single threaded portion
Seating Surface Shape Flat
Material Steel body
Material Specification Stainless forging 410 mfr ref single material response body
Style Designator Faucet
Thread Series Designator Un single threaded portion

Part Numbers

Part Number Company RNAAC (Repair Depot)
301125-1125 DIAMOND ELECTRONICS INC AX - DLA LAND AND MARITIME
FM7521D DIAMOND ELECTRONICS INC AX - DLA LAND AND MARITIME
FM-2262 DIAMOND POWER INTL INC AX - DLA LAND AND MARITIME
301125-1125 THE BABCOCK & WILCOX COMPANY AX - DLA LAND AND MARITIME
301125-1125 DIAMOND POWER INTL INC ZZ - USA
7803921 BABCOCK & WILCOX COMPANY, THE ZZ - USA
301125-1125 BABCOCK & WILCOX COMPANY, THE ZZ - USA
7803921 THE BABCOCK & WILCOX COMPANY ZZ - USA