National Stock Number
5955-01-027-5631
National Stock Number (NSN) 5955-01-027-5631, or NIIN 010275631, (oscillator,crystal controlled) was assigned September 18, 1976 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is 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 Jun 02, 2006, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) 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.]. 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 5955010275631 contains an unknown precious metal.
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.