National Stock Number
6625-01-594-4656
National Stock Number (NSN) 6625-01-594-4656, or NIIN 015944656, (frequency reference and electron) was assigned April 25, 2011 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 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 6 suppliers. Today, 6 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 5 suppliers are 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) 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 6625015944656 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.