Rockwell Collins · Electronic Components
289-7118-240
Crystal Unit, Quartz
Part Number289-7118-240
ManufacturerRockwell Collins
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-01-100-4905 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Circuit ResonanceSERIES RESONANCESERIES RESONANCE
Mode Of OscillationTHIRD OVERTONETHIRD OVERTONE
Equivalent Resistance Value In Ohm50.0 MAXIMUM50.0 MAXIMUM
MaterialPLASTIC COVER HOLDER
Drive Level Rating0.25 MILLIWATTS NOMINAL0.25 MILLIWATTS NOMINAL
Frequency Tolerance For Operating-0.0005 TO 0.0005-0.0005 TO 0.0005
Center To Center Distance Between0.192 INCHES NOMINAL0.192 INCHES NOMINAL
Specified Frequency50.000 MEGAHERTZ50.000 MEGAHERTZ
Overall Width0.435 INCHES MAXIMUM0.435 INCHES MAXIMUM
Style DesignatorOVAL BODY, WIRE LEADSOVAL BODY, WIRE LEADS
Body Thickness0.150 INCHES MAXIMUM0.150 INCHES MAXIMUM
Vendor Part Numbers289-7118-240M20
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 289-7118-240 available?
We can source 289-7118-240 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 289-7118-240 by Rockwell Collins obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 289-7118-240 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 289-7118-240?
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 289-7118-240?
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.