National Stock Number
4730-01-503-4158
National Stock Number (NSN) 4730-01-503-4158, or NIIN 015034158, (sleeve,compression,tube-hose fit) was assigned December 16, 2002 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. One of those 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. 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.
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 Dec 17, 2002, 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 4730015034158 does not contain precious metals.
This information was last updated on Jul 01, 2025.