MIL-SPEC · Electronic Components
CR18A/U4M915200
Crystal Unit, Quartz
Part NumberCR18A/U4M915200
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-01-434-5045 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Frequency Tolerance For Operating-0.005 TO 0.005
Style DesignatorOVAL BODY, PIN TERMINALS
Test Data Document81349-MIL-C-3098 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DAT
Mode Of OscillationFUNDAMENTAL
Equivalent Resistance Value In Ohm60.0 MAXIMUM
Overall Thickness0.352 INCHES MAXIMUM
Overall Width0.757 INCHES MAXIMUM
Load Capacitance In Picofarads32.0 NOMINAL
Shunt Capacitance In Picofarads7.0 MAXIMUM
Body Width0.725 INCHES MAXIMUM
Terminal Diameter0.050 INCHES NOMINAL
ESD/EMICode A — ESD/EMI sensitive item
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 CR18A/U4M915200 available?
We can source CR18A/U4M915200 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 CR18A/U4M915200 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CR18A/U4M915200 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 CR18A/U4M915200?
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 CR18A/U4M915200?
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.