National Stock Number
6625-00-991-4992
National Stock Number (NSN) 6625-00-991-4992, or NIIN 009914992, (frequency measuring set) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). NIIN 009914992 was cancelled on December 18, 2018, 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 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, 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 01, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 21545. [A FIXED NUMBER OF COMPONENTS AND/OR ITEMS, NOT ALL HAVING THE SAME BASIC NAME, FOR THE PASSIVE DETECTION AND DIRECT DISPLAY OF THE FREQUENCY BEING MEASURED. MAY EXCLUDE CERTAIN OPERATING COMPONENTS SUPPLIED SEPARATELY OR ALREADY PRESENT AT THE POINT OF USUAGE. FOR ITEMS USING THE HETERODYNE PRINCIPLE OF FREQUENCY DETERMINATION, SEE FREQUENCY METER. SEE ALSO METER, ELECTRICAL FREQUENCY. FOR ITEMS USING THE ABSORPTION PRINCIPLE OF FREQUENCY DETERMINATION, SEE WAVEMETER.]. 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 6625009914992 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.