National Stock Number
5315-00-137-8261
National Stock Number (NSN) 5315-00-137-8261, or NIIN 001378261, (key,woodruff) was assigned August 9, 1971 in the Federal Logistics Information System (FLIS). NIIN 001378261 was cancelled on July 2, 2007, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5315001473290. 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 not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 02380. [AN ITEM IN THE FORM OF A SEGMENT OF A DISK, WHICH MAY HAVE A FLAT BOTTOM, WITH OR WITHOUT PROJECTING SHOULDERS, DESIGNED TO FIT INTO A KEYWAY IN AN AXLE OR SHAFT, AND INTO A MATCHING SLOT IN THE HUB OR BOSS OF A WHEEL, GEAR OR PULLEY.]. 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 5315001378261 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.