National Stock Number
4310-01-256-3231
National Stock Number (NSN) 4310-01-256-3231, or NIIN 012563231, (parts kit,compressor) was assigned June 4, 1987 in the Federal Logistics Information System (FLIS). NIIN 012563231 was cancelled on February 2, 2016, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those 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 Dec 01, 2020, 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 is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 33860. [A PARTS KIT USED TO REPAIR A COMPRESSOR (1),CENTRIFUGAL; COMPRESSOR (1), RECIPROCATING; COMPRESSOR (1), RECIPROCATING AND ROTARY; COMPRESSOR (1), ROTARY. EXCLUDES:PART KIT (1), BRAKE AIR COMPRESSOR; PARTS KIT (1), PISTON ASSEMBLY, COMPRESSOR.]. 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 4310012563231 does not contain precious metals.
This information was last updated on Jun 01, 2025.