National Stock Number
6635-01-576-2591
National Stock Number (NSN) 6635-01-576-2591, or NIIN 015762591, (meter,density,digital) was assigned July 27, 2009 in the Federal Logistics Information System (FLIS). NIIN 015762591 was cancelled on March 18, 2016, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 5 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. 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.
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 Jul 27, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 53626. [A DEVICE DESIGNED TO DETERMINE DENSITY AND/OR SPECIFIC GRAVITY OF A LIQUID OR PASTY SAMPLE BY INSERTING THE SAMPLE INTO A U-TUBE AND SUBJECTING IT TO AN ELECTROMAGNETIC EXCITATION (VIBRATING TUBE).]. 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 6635015762591 does not contain precious metals.
This information was last updated on Jul 01, 2025.