National Stock Number
4310-01-256-3450
National Stock Number (NSN) 4310-01-256-3450, or NIIN 012563450, (cylinder sleeve) was assigned June 4, 1987 in the Federal Logistics Information System (FLIS). NIIN 012563450 was cancelled on December 2, 1999, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4130006473619. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 16756. [A TUBULAR METAL ITEM DESIGNED PRIMARILY AS A REPLACEABLE WEAR SURFACE WITHIN THE CYLINDER BORE OF A PISTON TYPE INTERNAL COMBUSTION ENGINE, COMPRESSOR, OR RECIPROCATING PUMP.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4310012563450 does not contain precious metals.
This information was last updated on Apr 01, 2025.