National Stock Number
5955-00-412-1312
National Stock Number (NSN) 5955-00-412-1312, or NIIN 004121312, (holder,crystal unit) was assigned January 22, 1972 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 10, 2014, 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 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) 02866. [A HOLDER DESIGNED TO BE USED WITH A CRYSTAL UNIT. FOR THOSE ITEMS WHICH CONTAIN PROVISIONS FOR GRIPPING TERMINALS, SEE SOCKET (AS MODIFIED). SEE ALSO HOLDER, SEMICONDUCTOR DEVICE.]. 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 5955004121312 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.