NSN 4820-00-102-9720 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: D559T16D4

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-102-9720 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 4820-00-102-9720 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 4820-00-102-9720 can be offered in repaired, serviceable, overhauled, or inspected conditions.

National Stock Number (NSN)	4820-00-102-9720
Categorization	Safety or relief valves
Repairability Code	N
Approximate Weight	1.5lb
Thread Class	3a 1st end
Thread Direction	Right-hand 1st end
Flow Control Device	Poppet
Disk Loading Method	Spring
Connection Style	External seat for gasket seal (boss) 1st end
Valve Operation Method	Automatic
Connection Type	Threaded external boss 1st end
Thready Qty Per Inch (tpi)	12 1st end
Thread Size	1.312 inches 1st end
Opening Pressure Setting	4.0 pounds per square inch
Material	Steel comp 303 seat
Material Specification	Fed standard 66, aisi 303/sae 30303 federal standard 1st material response flow control device
Surface Treatment	Passivate
Style Designator	Straight through w/baffle
Thread Series Designator	Un 1st end

Part Numbers

Part Number	Company	RNAAC (Repair Depot)
D559T16D4	CIRCOR AEROSPACE, INC.	SB - 645 MSSQ/MSIAPCS