We've received your request for 028-8307 (described as Packing Preformed), manufactured by Trelleborg Sealing Solutions Ltd with CAGE code D7040. This part is registered under NSN 5330-00-437-3440, classified in FSG 53 Hardware and Abrasives / FSC 5330 Packing and Gasket Materials. Our verification process will confirm traceability through supporting identifiers including NIIN 00-437-3440, NCB code 00 (origin: USA), and INC 04521. Please submit your formal quotation request to proceed.
Thank you for choosing Aerospace Exchange for your 028-8307 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