MIL-SPEC · Electronic Components
CR1AAR8550KC
Crystal Unit, Quartz
Part NumberCR1AAR8550KC
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-267-7194 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Overall Length1.740 INCHES MINIMUM AND 1.860 INCHES MAXIMUM
Terminal Length0.625 INCHES NOMINAL
Operating Temp Range-55.0 TO 90.0 CELSIUS
Center To Center Distance Between0.633 INCHES NOMINAL
Frequency Tolerance For Operating-0.002 TO 0.002
Overall Width1.090 INCHES MINIMUM AND 1.170 INCHES MAXIMUM
Overall Thickness0.380 INCHES MINIMUM AND 0.460 INCHES MAXIMUM
Style DesignatorRECTANGULAR BODY, PIN TERMINALS
Mode Of OscillationFUNDAMENTAL
Body Length1.115 INCHES MINIMUM AND 1.235 INCHES MAXIMUM
Terminal Diameter0.125 INCHES NOMINAL
Cancelled NSN5955-00-852-6474 (cancelled)
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 CR1AAR8550KC available?
We can source CR1AAR8550KC 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 CR1AAR8550KC by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CR1AAR8550KC 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 CR1AAR8550KC?
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 CR1AAR8550KC?
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.