National Stock Number
2520-01-151-3981
National Stock Number (NSN) 2520-01-151-3981, or NIIN 011513981, (transmission,mechanical) was assigned April 16, 1983 in the Federal Logistics Information System (FLIS). NIIN 011513981 was cancelled on May 2, 1997, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 2520011465483. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
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.]. 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 2520011513981 does not contain precious metals.
This information was last updated on Aug 01, 2025.