National Stock Number
4720-01-538-0691
National Stock Number (NSN) 4720-01-538-0691, or NIIN 015380691, (sleeve,reinforcing,hose) was assigned March 9, 2006 in the Federal Logistics Information System (FLIS). NIIN 015380691 was cancelled on December 18, 2018, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 09, 2020, this NSN's acquisition method was noted as: Acquire, for the first time, directly from the actual manufacturer rather than the prime contractor who is not 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) 36919. [AN ITEM DESIGNED FOR INTERNAL SUPPORT OF LARGE DIAMETER HOSES EXPOSED TO VACUUM CONDITIONS. IT PROVIDES VACUUM PROTECTION WHILE MAINTAINING FLEXIBILITY AND ALSO PROVIDES A SMOOTH SURFACE WHICH MINIMIZES TURBULENT FLOW. EXCLUDES:SPRING, REINFORCING, HOSE.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4720015380691 does not contain precious metals.
This information was last updated on Aug 01, 2025.