1680-01-737-7123 (SS8686-001)
NSN 1680-01-737-7123 (NIIN 01-737-7123) is a rigid foam insulation-ballistic in Federal Supply Class 1680, Miscellaneous Aircraft Accessories And Components — a foam which hardens and is used to surround an item; i.e., an internal fuel tank. Manufacturer part number SS8686-001 (High Impact Technology, LLC, CAGE 45WG1); also referenced as SS8686 (Sikorsky Aircraft Corporation).
NIIN assigned March 2026; DEMIL Q (Commerce Control List); ESD/EMI-sensitive; unit of issue EA (each), $500.00 gov standard price; export Schedule B 8803.30.0060.