National Stock Number
5365-00-172-7156
National Stock Number (NSN) 5365-00-172-7156, or NIIN 001727156, (ring,externally threaded) was assigned December 1, 1971 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. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.
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 May 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 08417. [A CYLINDRICALLY SHAPED ITEM WITH A CONCENTRIC BORE AND A PERIPHERAL THREAD OVER ITS ENTIRE LENGTH OR OVER A PORTION THEREOF. ONE FACE IS DRILLED, SLOTTED, KNURLED, OR HAS PROJECTING LUGS FOR INSTALLATION AND/OR REMOVAL PURPOSES. EXCLUDES:RETAINER, OPTICAL ELEMENT.]. 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 5365001727156 does not contain precious metals.
This information was last updated on Aug 01, 2025.