National Stock Number
6625-01-643-4851
National Stock Number (NSN) 6625-01-643-4851, or NIIN 016434851, (ammeter) was assigned April 2, 2015 in the Federal Logistics Information System (FLIS). NIIN 016434851 was cancelled on March 2, 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 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, 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.
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 Apr 02, 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) 16450. [AN INSTRUMENT WHICH MEASURES ELECTRIC CURRENT AND IS CALIBRATED AND MARKED IN AMPERES OR ANY MULTIPLE AND/OR SUBMULTIPLE THEREOF. THE VALUE MAY BE EXPRESSED BY MEANS OF A POINTER AND CALIBRATED DIAL OR A DIGITAL READOUT DISPLAY. FOR CURRENT DETECTING TYPE OF DEVICES, SEE GALVANOMETER.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 6625016434851 does not contain precious metals.
This information was last updated on Aug 01, 2025.