National Stock Number (NSN) 5955-01-121-6238, or NIIN 011216238, (oscillator,crystal controlled) was assigned November 6, 1981 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Apr 28, 2020. There have been 8 contracts issued for this part number, with 8 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE7M520P6163, SPE7M520P6163, SPE7M519P6853, SPE7M019P2472, SPE7M019P2003. The total value of the awarded contracts has been US$ 242,941.04.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 30, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.
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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5955011216238 does not contain precious metals.
This NSN is associated to Schedule B 8541600060: mounted piezoelectric crystals, quartz, designed for operating frequencies exceeding 20 mhz. The Schedule B End Use is listed as semiconductors. NAICS classification category 334419: other electronic component manufacturing.
This information was last updated on Jul 01, 2025.