We've received your request for 2164 PART NO.73B (described as Valve Safety Relief), manufactured by Caley Ocean Systems Limited with CAGE code KA522. This part is registered under NSN 4820-99-382-4513, classified in FSG 48 Valves / FSC 4820 Valves Nonpowered. Our verification process will confirm traceability through supporting identifiers including NIIN 99-382-4513, NCB code 99 (origin: United Kingdom), and INC 05488. Please submit your formal quotation request to proceed.
Thank you for choosing Aerospace Exchange for your 2164 PART NO.73B requirements. We specialize in authenticated aerospace components, offering both NSN-tracked military parts and commercial equivalents, all validated through our rigorous sourcing protocols.
How to Begin the Quotation Process
![]() |
AS9120B and ISO 9001:2015 |
![]() |
Aviation Suppliers Association Member |
![]() |
FAA AC 0056B Accredited |
![]() |
AS 6081:2012 Certification |
![]() |
ESD S20.20-2014 Certification |
Don’t forget That We offer 24/7 Service, Competitive Prices, and Fast Deliveries. We Hope You'll Make Us Your One-Stop Purchasing Solution!
Request for Quote