National Stock Number
4730-00-203-6579
National Stock Number (NSN) 4730-00-203-6579, or NIIN 002036579, (adapter bushing) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 5821003480332, 5340003726063.
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) 18018. [AN ITEM HAVING WRENCHING FACILITIES ON ONE END AND A THREADED CONNECTION OF ONE TYPE WITHIN AN EXTERNALLY THREADED CONNECTION OF ANOTHER TYPE. ONE CONNECTION MUST HAVE MACHINE THREADS NOT DESIGNED FOR ANY TYPE OF TUBE OR TUBE FITTING.]. 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 4730002036579 contains silver.
This NSN is associated to Schedule B 7412200000: copper alloy tube or pipe fittings. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332919: other metal valve and pipe fitting manufacturing.
This information was last updated on Aug 01, 2025.