National Stock Number
4720-01-192-3521
National Stock Number (NSN) 4720-01-192-3521, or NIIN 011923521, (tubing,nonmetallic) was assigned October 19, 1984 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, 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.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 10, 2013, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
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 4720011923521 does not contain precious metals.
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.