National Stock Number
6625-00-307-2221
National Stock Number (NSN) 6625-00-307-2221, or NIIN 003072221, (calibrator,frequency) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 003072221 was cancelled on December 17, 1999, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 6625005570038. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to 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) 00860. [AN ITEM WHICH GENERATES A HIGHLY ACCURATE SIGNAL OF ONE OR MORE FIXED FREQUENCIES FOR CALIBRATION OF FREQUENCIES FROM OTHER SOURCES. DOES NOT INCLUDE OSCILLATOR (AS MODIFIED). FOR DEVICES WHICH ARE DESIGNED AS VOLTAGE SOURCES, SEE GENERATOR, SIGNAL. SEE ALSO FREQUENCY METER.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 6625003072221 does not contain precious metals.
This information was last updated on Aug 01, 2025.