Raytheon · Electronic Components
538665-12
Crystal Unit, Quartz
Part Number538665-12
ManufacturerRaytheon
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-01-182-6553 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Operating Temp Range-55.0 TO 85.0 CELSIUS
Mode Of OscillationFIFTH OVERTONE
Overall Thickness0.203 INCHES MAXIMUM
Body Width0.402 INCHES MAXIMUM
Frequency Tolerance For Operating-0.0015 TO 0.0015
Equivalent Resistance Value In Ohm60.0 MAXIMUM
Drive Level Rating1.0 MILLIWATTS NOMINAL
Style DesignatorOVAL BODY, WIRE LEADS
Center To Center Distance Between0.192 INCHES NOMINAL
Specified Frequency106.450 MEGAHERTZ
Circuit ResonanceSERIES RESONANCE
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 538665-12 available?
We can source 538665-12 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 538665-12 by Raytheon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 538665-12 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 538665-12?
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 538665-12?
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.