National Stock Number
6625-00-405-6181
National Stock Number (NSN) 6625-00-405-6181, or NIIN 004056181, (meter,audio level) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 004056181 was cancelled on August 24, 2011, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 2 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. 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.
This NSN is assigned to Item Name Code (INC) 16456. [AN INSTRUMENT WHICH MEASURES THE RATIO OF ELECTRICAL POWER WITH REFERENCE TO A PREDETERMINED VALUE AND IS CALIBRATED IN UNITS OF SOUND INTENSITY, USUALLY DECIBELS. THE VALUE MAY BE EXPRESSED BY MEANS OF A POINTER AND CALIBRATED DIAL OR A DIGITAL READOUT DISPLAY. IF OTHER THAN AUDIO FREQUENCY RANGES, SEE METER, NOISE LEVEL.]. 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 6625004056181 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.