MIL-SPEC · Electronic Components
CR61/U36M66666
Crystal Unit, Quartz
Part NumberCR61/U36M66666
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-583-0111 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Overall Width0.435 INCHES MAXIMUM
Body Thickness0.150 INCHES MAXIMUM
Frequency Tolerance For Operating-0.002 TO 0.002
Style DesignatorOVAL BODY, WIRE LEADS
Center To Center Distance Between0.192 INCHES NOMINAL
Equivalent Resistance Value In Ohm40.0 MAXIMUM
Terminal Length0.500 INCHES MINIMUM
Controlled Reference Temp85.0 CELSIUS
Overall Length0.530 INCHES MAXIMUM
Mode Of OscillationTHIRD OVERTONE
Specified Frequency36.66666 MEGAHERTZ
Cancelled NSN5955-00-617-6345 (cancelled)
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 CR61/U36M66666 available?
We can source CR61/U36M66666 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 CR61/U36M66666 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CR61/U36M66666 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 CR61/U36M66666?
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 CR61/U36M66666?
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.