National Stock Number
4310-01-338-4523
National Stock Number (NSN) 4310-01-338-4523, or NIIN 013384523, (cylinder head,compressor) was assigned May 4, 1991 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 5 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. 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, with the most recent procurement date of Aug 28, 2012. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM7L112V5024. The total value of the awarded contracts has been US$ 311.30.
This NSN is unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 18, 2015, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 61616. [AN ITEM DESIGNED TO INCLOSE THE CYLINDER BORE(S) OF AN ENGINE BLOCK TO FORM A COMBUSTION CHAMBER(S). IT MAY HAVE LIQUID-COOLING PASSAGE(S) AND/OR AIR-COOLING FIN(S) AND MAY INCLUDE VALVE(S), VALVE GUIDE(S), SPRING(S), AND THE LIKE. IT IS A COMPONENT PART OF A COMPRESSOR, RECIPROCATING.]. 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 4310013384523 does not contain precious metals.
This NSN is associated to Schedule B 8414902095: parts nesoi, of compressors other than refrigerating and air conditioning compressors. The Schedule B End Use is listed as industrial engines. NAICS classification category 333912: air and gas compressor manufacturing.
This information was last updated on Jul 01, 2025.