National Stock Number
4310-00-542-1405
National Stock Number (NSN) 4310-00-542-1405, or NIIN 005421405, (pin,piston) 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, 4310002739965.
There are 2 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 4 suppliers are listed as Active suppliers 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.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 11, 2014, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 16414. [A CYLINDRICALLY-SHAPED METAL ITEM, USUALLY TUBULAR, DESIGNED TO FORM A PIVOTING CONNECTION BETWEEN THE PISTON AND CONNECTING ROD OF AN INTERNAL COMBUSTION ENGINE, COMPRESSOR AND LIKE ITEMS. MAY INCLUDE OIL SEALING OR PIN RETAINING PLUGS. EXCLUDES:BUSHING, SLEEVE; PIN, GROOVED, HEADLESS; PIN, STRAIGHT, HEADLESS; AND PIN, HOLLOW.]. 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 4310005421405 contains an unknown precious metal.
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.