National Stock Number
3990-01-256-3399
National Stock Number (NSN) 3990-01-256-3399, or NIIN 012563399, (brake,floor,wheeled equipment) was assigned June 4, 1987 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
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 2 different weapons systems.
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 Mar 04, 2010, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 21005. [A JACKLIKE DEVICE HAVING VARIOUS MEANS FOR MOUNTING ON A VEHICLE FRAME ON ONE END AND A BRAKE SHOE OR BASE FOR FLOOR CONTACT ON THE OTHER END. IT IS DESIGNED TO BE USED ON VARIOUS WHEELED EQUIPMENT TO HOLD THE EQUIPMENT IN A STATIONARY POSITION WHILE BEING USED OR TO PREVENT MOVEMENT WHEN NOT IN USE.]. 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 3990012563399 does not contain precious metals.
This information was last updated on Apr 01, 2025.