National Stock Number
5955-01-197-0028
National Stock Number (NSN) 5955-01-197-0028, or NIIN 011970028, (oscillator,crystal controlled) was assigned December 17, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that 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 30, 2017, 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 needed to produce this item from additional sources is not physically available. Valid AMCs: 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.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5955011970028 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 Aug 01, 2025.