National Stock Number
6625-01-311-6504
National Stock Number (NSN) 6625-01-311-6504, or NIIN 013116504, (frequency measuring set) was assigned December 1, 1989 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 6130012161619.
There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 3 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2000, this NSN's acquisition method was noted as: Acquire, for the first time, directly from the actual manufacturer rather than the prime contractor who is not the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
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 6625013116504 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 Jul 01, 2025.