MIL-SPEC · Electronic Components
CR54/U54M85000
Crystal Unit, Quartz
Part NumberCR54/U54M85000
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-082-3967 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Circuit ResonanceSERIES RESONANCE
Body Thickness0.317 INCHES MAXIMUM
Center To Center Distance Between0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM
Mode Of OscillationFIFTH OVERTONE
Operating Temp Range-55.0 TO 105.0 CELSIUS
Shunt Capacitance In Picofarads7.0 MAXIMUM
Specified Frequency54.850 MEGAHERTZ
Frequency Tolerance For Operating-0.005 TO 0.005
Overall Thickness0.352 INCHES MAXIMUM
Body Length0.775 INCHES MAXIMUM
Terminal Diameter0.048 INCHES MINIMUM AND 0.052 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 CR54/U54M85000 available?
We can source CR54/U54M85000 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 CR54/U54M85000 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CR54/U54M85000 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 CR54/U54M85000?
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 CR54/U54M85000?
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.