National Stock Number
1720-00-476-0009
National Stock Number (NSN) 1720-00-476-0009, or NIIN 004760009, (ring,choke) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 004760009 was cancelled on September 2, 2019, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5330015870603. 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.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 01, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 77777. 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 1720004760009 does not contain precious metals.
This information was last updated on Aug 01, 2025.