National Stock Number
6625-01-478-2555
National Stock Number (NSN) 6625-01-478-2555, or NIIN 014782555, (calibrator,audio level) was assigned September 1, 2000 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 05, 2019, 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 is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 21986. [AN ITEM THAT, WHEN USED WITH AN ASSOCIATED AUDIO FREQUENCY SIGNAL GENERATOR, DETERMINES BY COMPARISON THE OUTPUT LEVEL OF AN AUDIO FREQUENCY VOLTAGE. THE METER IS MARKED IN VOLTS OR SUBMULTIPLES THEREOF. FOR ITEMS UTILIZING A METER THE SCALE OF WHICH IS MARKED IN DECIBELS OR COMPARABLE UNITS, AND WHICH DO NOT REQUIRE A DRIVING OSCILLATOR, SEE METER, AUDIO LEVEL. SEE ALSO METER, MODULATION AND METER, S-UNITS.]. 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 6625014782555 does not contain precious metals.
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.