National Stock Number
6625-01-571-6580
National Stock Number (NSN) 6625-01-571-6580, or NIIN 015716580, (frequency reference and electron) was assigned February 12, 2009 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 5 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers 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 May 15, 2015, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 46367. [AN ITEM CONSISTING OF OSCILLATORS, AMPLIFIERS, WAVEFORM CLIPPERS, FREQUENCY DIVIDERS AND THE LIKE. IT PROVIDES A SERIES OF PULSES, OR PULSE REFERENCE FRAMES OF INFORMATION RELATING TO PRECISE TIME DATA, INCLUDING TIME OF DAY DATA IN BINARY CODED DECIMAL FORMAT, THAT IS APPLIED TO OTHER COMPONENTS FOR THE PURPOSES OF SYNCHRONIZATION, PARAMETER MEASUREMENT, CONTROL AND PERFORMANCE MONITORING/FAULT LOCATION. EXCLUDES:GENERATOR, DIGITAL CLOCK PULSE; GENERATOR, REFERENCE SIGNAL; AND AMPLIFIER-OSCILLATOR.]. 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 6625015716580 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.