NSN 4920-00-020-3581, 4920000203581
CRYSTAL ASSY,TEST S

Federal Supply Classification: FSC 4920 - Aircraft Maintenance and Repair Shop Specialized Equipment
National Item Identification Number: NIIN 000203581
Codification Country: United States
Item Name Code: INC 77777
Criticality: ( )
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 4920-00-020-3581

National Stock Number (NSN) 4920-00-020-3581, or NIIN 000203581, (crystal assy,test s) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier 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.

This NSN is assigned to Item Name Code (INC) 77777. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4920000203581 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.