National Stock Number (NSN) 4320-01-219-3166, or NIIN 012193166, (yoke,hydraulic motor-pump) was assigned October 25, 1985 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 one supplier. 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, with the most recent procurement date of Mar 12, 2020. There have been 6 contracts issued for this part number, with 7 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE7MX20F1151, SPE7MX20F0828, SPE7M120F0389, SPM4A110G0002, SPM4A110G0002. The total value of the awarded contracts has been US$ 381,547.53.
This NSN is unique to one weapons system.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 14,906. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 23, 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 Government does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 61790. [AN ITEM WHICH ADJUSTS THE ANGLE OF A ROTATING CYLINDER IN RELATION TO THE DRIVE SHAFT AXIS, OR ADJUSTS THE ANGLE OF A PISTON DRIVING CAM IN A VARIABLE DELIVERY AXIAL PISTONS PUMP OR A VARIABLE DISPLACEMENT HYDRAULIC MOTOR, THUS INCREASING OR DECREASING PISTON STROKE WITH A CORRESPONDING CHANGE IN RATE OF FLUID FLOW.]. 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 4320012193166 does not contain precious metals.
This NSN is associated to Schedule B 8413919050: parts of hydraulic fluid power pumps. The Schedule B End Use is listed as industrial engines. NAICS classification category 333996: fluid power pump and motor manufacturing.
This information was last updated on Jul 01, 2025.