National Stock Number
5955-01-166-2999
National Stock Number (NSN) 5955-01-166-2999, or NIIN 011662999, (oscillator,crystal controlled) was assigned November 9, 1983 in the Federal Logistics Information System (FLIS). NIIN 011662999 was cancelled on April 2, 2013, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5955012859917. This NSN does not replace any other NSNs.
There are 2 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. 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) 34690. [AN OSCILLATOR WHOSE OPERATING FREQUENCY(IES) IS CONTROLLED BY A CRYSTAL UNIT, QUARTZ. FOR AN OSCILLATOR CONTROLLED BY A DEVICE OTHER THAN A CRYSTAL, SEE OSCILLATOR (1), NONCRYSTAL CONTROLLED. SEE ALSO GENERATOR, SIGNAL; AND CALIBRATOR, FREQUENCY. EXCLUDES:FREQUENCY SUPPLY, TELEPHONE CARRIER; RESONATOR, TUNING FORK; AND OSCILLATOR, PULSE DELAY.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5955011662999 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.