National Stock Number
4730-01-193-7390
National Stock Number (NSN) 4730-01-193-7390, or NIIN 011937390, (sleeve,compression,tube-hose fit) was assigned November 7, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 4730009560908, 4730002788763, 4730004598814.
There are 30 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 24 suppliers. Today, 12 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of May 20, 2014. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7M114VB116, SPE7M114V8394, SPM7M310V3978, SPM7M310V3978. The total value of the awarded contracts has been US$ 1,371.00.
This NSN is very common among different weapons systems, belonging to 72 different platforms.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 01, 2008, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 18026. [A RING-SHAPED ITEM WHOSE OUTER SURFACE IS SO SHAPED AS TO FORM A SEAT FOR THE COUPLING NUT AND THE FITTING BETWEEN WHICH IT IS ASSEMBLED. IT IS DESIGNED TO BE SLIPPED OVER TUBING OR HOSE SO THAT TIGHTENING OF THE COUPLING NUT TO THE FITTING COMPRESSES THE SLEEVE AGAINST THE CIRCUMFERENCE OF THE TUBING OR HOSE THEREBY EFFECTING A TIGHT SEAL BETWEEN THE TUBING, OR HOSE FITTING AND COUPLING NUT.]. 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 4730011937390 does not contain precious metals.
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.