National Stock Number (NSN) 3020-00-239-8237, or NIIN 002398237, (link,roller chain) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 3020008915377, 3020005807826, 3020004675647.
There are 22 manufacturer part numbers associated with this NSN. 13 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 18 suppliers. Today, 12 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 5 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Aug 24, 2017. 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: SPE7L117V7553. The total value of the awarded contracts has been US$ 853.47.
This NSN is fairly common among different weapons systems, belonging to 11 different platforms.
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 Apr 25, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (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) 04488. [AN ASSEMBLED UNIT OF A CHAIN, ROLLER CONSISTING OF SIDE PLATES, ROLLER(S), BUSHING(S), OR PIN(S). IT MAY BE A SINGLE OR DOUBLE PITCH. LINKS CONTAINING BUSHINGS WITHOUT ROLLERS SHALL BE AS DESIGNATED BY THE AMERICAN NATIONAL STANDARDS INSTITUTE AS "ROLLER CHAIN." EXCLUDES:LINK, CHAIN (AS MODIFIED); AND PULLEY, SASH.]. 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 3020002398237 does not contain precious metals.
This NSN is associated to Schedule B 7315810000: stud link chain of iron or steel. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332618: other fabricated wire product manufacturing.
This information was last updated on Jul 01, 2025.