National Stock Number
3020-01-031-4008
National Stock Number (NSN) 3020-01-031-4008, or NIIN 010314008, (chain,roller) was assigned November 22, 1976 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
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 4 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 19, 2020, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.
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.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3020010314008 does not contain precious metals.
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 Jul 01, 2025.