National Stock Number
2815-01-255-2921
National Stock Number (NSN) 2815-01-255-2921, or NIIN 012552921, (parts kit,piston assembly,engine) was assigned May 18, 1987 in the Federal Logistics Information System (FLIS). NIIN 012552921 was cancelled on May 1, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One 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 assigned to Item Name Code (INC) 28610. [A PARTS KIT USED FOR REPLACING THE WORN AND/OR DAMAGED PARTS USED IN AN ENGINE PISTON ASSEMBLY. IT MAY INCLUDE SUCH ITEMS AS A CONNECTING ROD, PISTON PIN, BEARING(S), COTTER PIN(S), RETAINER(S), WASHER(S), AND THE LIKE.]. 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 2815012552921 does not contain precious metals.
This information was last updated on Jul 01, 2025.