MIL-SPEC · Electronic Components
CR1/U7M027778
Crystal Unit, Quartz
Part NumberCR1/U7M027778
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-01-261-8924 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Body Width1.125 INCHES MAXIMUM
Test Data Document81349-MILC3098 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA
Drive Level Rating27.0 MILLIWATTS MINIMUM AND 33.0 MILLIWATTS MAXIMUM
Frequency Tolerance For Operating-0.005 TO 0.005
Style DesignatorOVAL BODY, PIN TERMINALS
Equivalent Resistance Value In Ohm50.0 MAXIMUM
Center To Center Distance Between0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
Specified Frequency7.02777 MEGAHERTZ
Overall Width1.170 INCHES MAXIMUM
Operating Temp Range-55.0 TO 90.0 CELSIUS
Terminal Length0.625 INCHES MINIMUM AND 0.655 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 CR1/U7M027778 available?
We can source CR1/U7M027778 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 CR1/U7M027778 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CR1/U7M027778 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 CR1/U7M027778?
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 CR1/U7M027778?
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.