NSN 4820-00-034-5877 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: MC7543-1, 53-720057-1

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-034-5877 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 4820-00-034-5877 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 4820-00-034-5877 can be offered in repaired, serviceable, overhauled, or inspected conditions.

National Stock Number (NSN)	4820-00-034-5877
Categorization	Safety or relief valves
Repairability Code	N
Approximate Weight	0.4lb
Thread Class	3a 1st end
Thread Direction	Right-hand 1st end
Flow Control Device	Poppet
Disk Loading Method	Spring
Connection Style	Flared (tube) 1st end
Valve Operation Method	Automatic
Connection Type	Threaded external tube 1st end
Thready Qty Per Inch (tpi)	20 1st end
Maximum Operating Pressure	290.0 pounds per square inch single response
Thread Size	0.437 inches 1st end
Seat Angle	37.0 degrees 1st end
Opening Pressure Setting	23.0 pounds per square inch
Outside Diameter Tube Accommodated	0.250 inches 1st end
Media For Which Designed	Air single response
Style Designator	Straight thru
Thread Series Designator	Unf 1st end

Part Numbers

Part Number	Company	RNAAC (Repair Depot)
MC7543-1	EATON AEROSPACE LLC	SB - 645 MSSQ/MSIAPCS
53-720057-1	BOEING COMPANY, THE	SB - 645 MSSQ/MSIAPCS