National Stock Number
2815-00-415-5589
National Stock Number (NSN) 2815-00-415-5589, or NIIN 004155589, (lock,valve spring retainer) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4330003466544.
There are 73 manufacturer part numbers associated with this NSN. 39 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 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 unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2005, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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) 15883. [A METAL ITEM DESIGNED FOR THE PURPOSE OF SECURING AN ENGINE OR COMPRESSOR VALVE AND POSITIONING THE VALVE SPRING OR VALVE SPRING RETAINER. EXCLUDES:COTTER PINS, STRAIGHT PINS, KEYS AND WASHERS.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2815004155589 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.