We've received your request for S1-78212 (described as Ring Piston), manufactured by Copes Vulcan Inc with CAGE code 97370. This part is registered under NSN 4820-00-057-7394, classified in FSG 48 Valves / FSC 4820 Valves Nonpowered. Our verification process will confirm traceability through supporting identifiers including NIIN 00-057-7394, NCB code 00 (origin: USA), and INC 11459. Please submit your formal quotation request to proceed.
Thank you for choosing Aerospace Exchange for your S1-78212 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