National Stock Number
2520-01-231-8680
National Stock Number (NSN) 2520-01-231-8680, or NIIN 012318680, (transmission,mechanical) was assigned May 6, 1986 in the Federal Logistics Information System (FLIS). NIIN 012318680 was cancelled on July 2, 1999, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 2520011173010. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN. ISO Group has a strong supply network for this NSN, with 15 sources of supply.
This part number has not been procured by the US Government in over 5 years.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 16898. [INC 16898 CANCELLED/REPLACED BY ,INC 52152, FIIG A522L0, APP-KEY ,INC 52151, FIIG A522L0, APP-KEY ,INC 52150, FIIG A522L0, APP-KEY ,INC 52149, FIIG A522L0, APP-KEY ,INC 52050, FIIG A23900, APP-KEY A , ON 041996 A DEVICE DESIGNED TO INCREASE, DECREASE AND/OR REVERSE THE ROTATION BETWEEN THE DRIVE AND DRIVEN SHAFT OR SHAFTS. IT MAY OR MAY NOT INCLUDE THE SHIFTING CONTROL MECHANISM WHICH CHANGES RATIOS AND/OR DIRECTION OF ROTATION. EXCLUDES:TRANSMISSION, CROSS-DRIVE; AND TRANSMISSIONS WITH CONTROLLED DIFFERENTIALS.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 2520012318680 does not contain precious metals.
This information was last updated on Aug 01, 2025.