NSN 4820-00-018-7881 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: D661-1255, FIG189-1-2-3200

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-018-7881 safety relief valve

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 4820-00-018-7881 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 4820-00-018-7881 can be offered in repaired, serviceable, overhauled, or inspected conditions.

National Stock Number (NSN)	4820-00-018-7881
Categorization	Safety or relief valves
Repairability Code
Approximate Weight	6.0lb
Thread Direction	Right-hand 1st end
Flow Control Device	Disk
Bonnet Type	Inside spring
Bonnet Attachment Method	Threaded
Disk Loading Method	Spring
Renewable Seat Ring Type	Pressed-in
Connection Style	Plain, optional en (pipe) 2nd end
Valve Operation Method	Automatic
Connection Type	Threaded internal pipe 2nd end
Features Provided	Valve stem lock shield and bonnet packing and pressure tight outlet side
Maximum Operating Pressure	3200.0 pounds per square inch single response
Thread Size	0.750 inches 1st end
Material	Stainless steel body
Style Designator	Angle
Thread Series Designator	Npt 1st end

Part Numbers

Part Number	Company	RNAAC (Repair Depot)
D661-1255	GAS EQUIPMENT ENGINEERING	SE - SAN ANTONIO AIR LOGISTICS CENTER
FIG189-1-2-3200	ANDERSON GREENWOOD LP	ZZ - USA