National Stock Number
3020-00-252-7359
National Stock Number (NSN) 3020-00-252-7359, or NIIN 002527359, (chain,roller) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 9 stock numbers. Five of the National Stock Numbers that it replaces are: 3020002337871, 3020007590605, 3020009147511, 3020002449329, 3910005333151.
There are 26 manufacturer part numbers associated with this NSN. 24 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 16 suppliers. Today, 8 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over a year. There have been 6 contracts issued for this part number, with 6 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7L522V2023, SPE7L521V2283, SPE7L421V1496, SPE7L021V4673, SPE7L521V0341. The total value of the awarded contracts has been US$ 13,335.80.
This NSN is fairly common among different weapons systems, belonging to 15 different platforms.
There has been a small amount of 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 Jan 20, 2016, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 04457. [A FLEXIBLE MECHANICAL DEVICE CONSISTING OF ONE OR MORE ROWS OF LINKS USED FOR CONVEYING OR POWER TRANSMISSION. THE LINK SIDE PLATES ARE FLAT OR OFFSET AND ARE SPACED APART BY ROLLERS, BUSHINGS AND/OR PINS. THE CHAIN MATES WITH A SPROCKET WITH AN ARTICULATING ACTION. THE NON-ROTATING BUSHING TYPE CHAIN IS LIMITED TO THAT DESIGNATED BY THE AMERICAN NATIONAL STANDARDS INSTITUTE AS "ROLLER CHAIN". EXCLUDES:CHAIN, BLOCK.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 3020002527359 contains an unknown precious metal.
This NSN is associated to Schedule B 7315110000: roller chain of iron or steel. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 333613: mechanical power transmission equipment manufacturing.
This information was last updated on Aug 01, 2025.