National Stock Number
6625-00-975-4499
National Stock Number (NSN) 6625-00-975-4499, or NIIN 009754499, (meter,electrical frequency) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 4 suppliers are listed as Active suppliers 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.
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 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 6625009754499 contains an unknown precious metal.
This NSN is associated to Schedule B 9030908030: parts and accessories of articles of schedule b subheading 9030.39. The Schedule B End Use is listed as measuring, testing, control instruments. NAICS classification category 334515: instrument manufacturing for measuring and testing electricity and electrical signals.
This information was last updated on Aug 01, 2025.