National Stock Number
3950-01-561-1892
National Stock Number (NSN) 3950-01-561-1892, or NIIN 015611892, (tensioner pulley assembly) was assigned February 27, 2008 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number 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, only one supplier is deemed design controlled or valid supply parts.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 24 contracts issued for this part number, with 39 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE7LX25FARG7, SPE7LX25FAJV3, SPE7LX24FB5RR, SPE7LX24FAQUK, SPE7LX24FAFEB. The total value of the awarded contracts has been US$ 11,704.78.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 06, 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 data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 52049. [A DEVICE DESIGNED TO MAINTAIN THE TAUTNESS OF A CABLE, ROPE, OR THE LIKE BY APPLYING PRESSURE TO ONE OR MORE PULLEYS OVER WHICH IT PASSES.]. 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 3950015611892 does not contain precious metals.
This information was last updated on Aug 01, 2025.