National Stock Number
4730-00-166-5422
National Stock Number (NSN) 4730-00-166-5422, or NIIN 001665422, (coupling assembly,self-sealing) was assigned November 19, 1971 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 18279. [A MULTIPIECE FLUID LINE FITTING CONSISTING OF TWO COUPLING HALF, SELF-SEALING FITTINGS.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730001665422 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.