NSN 4820-00-059-4933 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: 645B5-6T, 645B-5-6-T

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-059-4933 safety relief valve
Your Email:
Your Name:
Company Name:
Optional reference:
Phone:
NSN 4820000594933


Privacy | Terms

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 4820-00-059-4933 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 4820-00-059-4933 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-059-4933
Categorization Safety or relief valves
Repairability Code Z

This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Approximate Weight 0.0lb
Thread Class 2b all ends
Thread Direction Right-hand all ends
Flow Control Device Poppet
Disk Loading Method Spring
Maximum Operating Temp 400.0 degrees fahrenheit single response
Connection Style Gasket sea (boss) all ends
Valve Operation Method Manual
Connection Type Threaded internal boss all ends
Features Provided Pressure tight outlet side
Adjustable Pressure Range +235.0/+450.0 pounds per square inch
Maximum Operating Pressure 2200.0 pounds per square inch single response
Thread Size 0.562 inches all ends
Opening Pressure Setting 360.0 pounds per square inch
Outside Diameter Tube Accommodated 0.375 inches all ends
Material Stainless steel seat
Media For Which Designed Water-oil-gas single response
Surface Treatment Passivate
Style Designator Angle
Thread Series Designator Unjf all ends

Part Numbers

Part Number Company RNAAC (Repair Depot)
645B5-6T TELEDYNE INDUSTRIES INC AX - DLA LAND AND MARITIME
645B-5-6-T PARKER-HANNIFIN CORPORATION ZZ - USA