National Stock Number
5315-00-527-2521
National Stock Number (NSN) 5315-00-527-2521, or NIIN 005272521, (key,woodruff) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 5315006630729, 5315007406711.
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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 02, 2009, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
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 5315005272521 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.