MIL-SPEC · Electronic Components
CR52/U19M26666
Crystal Unit, Quartz
Part NumberCR52/U19M26666
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-857-4558 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Body Length0.775 INCHES NOMINAL
Center To Center Distance Between0.486 INCHES NOMINAL
Operating Temp Range-55.0 TO 90.0 CELSIUS
Specified Frequency19.26666 MEGAHERTZ
Terminal Diameter0.050 INCHES NOMINAL
Overall Length1.023 INCHES NOMINAL
Overall Thickness0.352 INCHES NOMINAL
Style DesignatorOVAL BODY, PIN TERMINALS
Terminal Length0.248 INCHES NOMINAL
Mode Of OscillationTHIRD OVERTONE
Frequency Tolerance For Operating-0.005 TO 0.005
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 CR52/U19M26666 available?
We can source CR52/U19M26666 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 CR52/U19M26666 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CR52/U19M26666 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 CR52/U19M26666?
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 CR52/U19M26666?
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.