National Stock Number
4320-01-164-6182
National Stock Number (NSN) 4320-01-164-6182, or NIIN 011646182, (cover,hydraulic,pump-motor) was assigned October 19, 1983 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2005, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 35730. [AN ITEM SPECIFICALLY DESIGNED TO COVER AND/OR RETAIN INTERNAL WORKING PARTS IN A HYDRAULIC MOTOR OR PUMP BODY OR HOUSING. IT DOES NOT HAVE INLET OR OUTLET CONNECTIONS TO A SYSTEM FLUID LINE. WITH CONNECTORS, SEE CONNECTOR, FLUID, PUMP. EXCLUDES:HEAD, HYDRAULIC MOTOR-PUMP AND VALVE HEAD, HYDRAULIC MOTOR-PUMP.]. 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 4320011646182 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 May 01, 2025.