National Stock Number
6625-00-643-4041
National Stock Number (NSN) 6625-00-643-4041, or NIIN 006434041, (meter,electrical frequency) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 006434041 was cancelled on July 2, 2002, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 6625001186737. This NSN replaces 2 stock numbers: 6625005408943, 6625003560256.
There are 4 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 3 suppliers. Today, 3 suppliers are listed as Active suppliers 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.
This NSN is assigned to Item Name Code (INC) 16454. [AN INSTRUMENT WHICH MEASURES THE RATE OF REGULARLY RECURRING VARIATIONS IN AN ELECTRIC CURRENT OR VOLTAGE AND IS USUALLY CALIBRATED IN HERTZ (CYCLES PER SECOND OR CPS). THE VALUE MAY BE EXPRESSED BY MEANS OF A POINTER AND CALIBRATED DIAL VIBRATING REED OR A DIGITAL READ OUT DISPLAY. FOR INSTRUMENTS WHICH MEASURE RADIO FREQUENCIES, SEE CALIBRATOR, FREQUENCY; AND WAVEMENTER. EXCLUDES: COUNTER ELECTRONIC DIGITAL.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). 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 6625006434041 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.