MIL-SPEC · Electronic Components
CR53A/U67M66700
Crystal Unit, Quartz
Part NumberCR53A/U67M66700
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-067-6431 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Mode Of OscillationFIFTH OVERTONE
Body Width0.725 INCHES MAXIMUM
Frequency Tolerance For Operating-0.005 TO 0.005
Operating Temp Range-55.0 TO 105.0 CELSIUS
Equivalent Resistance Value In Ohm60.0 NOMINAL
Test Data Document81349-MILC3098 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA
Drive Level Rating20.0 MILLIWATTS NOMINAL AND 16.0 MILLIWATTS MINIMUM AND 24.0 MILLIWATTS MAXIMUM
Style DesignatorOVAL BODY, PIN TERMINALS
Center To Center Distance Between0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM
Overall Thickness0.352 INCHES MAXIMUM
Overall Width0.757 INCHES MAXIMUM
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is CR53A/U67M66700 available?
We can source CR53A/U67M66700 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is CR53A/U67M66700 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CR53A/U67M66700 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like CR53A/U67M66700?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for CR53A/U67M66700?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.