National Stock Number
4720-00-189-9728
National Stock Number (NSN) 4720-00-189-9728, or NIIN 001899728, (tubing,nonmetallic) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4720007560963.
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 one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that 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.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 31934. [AN ITEM OF VARYING TUBULAR SHAPES MOLDED OR EXTRUDED FROM NONMETALLIC MATERIAL. IT INCLUDES FLAT FORM PLASTIC TUBING DESIGNED TO BE EXPANDED FOR USE AND RUBBER TUBING DESIGNED TO BE FABRICATED INTO SEALING AND/OR CUSHIONING DEVICES. EXCLUDES HOSE, NONMETALLIC AND TUBE (AS MODIFIED).]. 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 4720001899728 contains an unknown precious metal.
This NSN is associated to Schedule B 4009110000: tubes, pipes and hoses, of vulcanized rubber, exc hard rubber, not reinforced/otherwise combined with other materials, without fittings. The Schedule B End Use is listed as industrial rubber products. NAICS classification category 326220: rubber and plastics hoses and belting manufacturing.
This information was last updated on Aug 01, 2025.