National Stock Number
4620-01-657-1803
National Stock Number (NSN) 4620-01-657-1803, or NIIN 016571803, (cell and valve assembly,salinity) was assigned August 2, 2016 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are 3 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, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 03, 2020, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. The rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 51179. [A COMBINATION SENSOR AND VALVE DESIGNED TO DETECT THE SALT CONTENT OF WATER BY MEANS OF ELECTRODES. THE VALVE ALLOWS REMOVING THE CELL IN AN OPERATING SYSTEM. IT IS ELECTRICALLY CONNECTED TO A PANEL, SALINITY MONITORING AND ALARM SYSTEM, SHIPBOARD THAT MAY ACTIVATE A DUMP VALVE TO DISCHARGE POOR QUALITY WATER. THE ITEM MAY INCLUDE A PLUG, NIPPLE, CABLE AND THE LIKE. FOR CELLS WITHOUT A VALVE SEE CELL, SALINITY DETECTOR.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 4620016571803 does not contain precious metals.
This information was last updated on Jun 01, 2025.