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In Production
The 1720 is a Radiation Tolerant, Space Qualified, Crystal Oscillator (Clock) governed by Hi-Rel Standard DOC207975. When ordered, flight units utilize Swept Quartz, a 4-point Crystal Mount, Class K Element Evaluation IAW MIL-PRF-38534, and Class S Screening IAW MIL-PRF-55310. Engineering Models (EM) are fit, form, and functional equivalents of the Flight Models (FM) and can withstand the same environmental envelope less radiation. Please see DOC207975 for the multitude of design, assembly, inspection, and test options that can be selected or added by purchase order request.