Bae Systems Information And Electronic Systems Integration Inc. · Electronic Components
666244-274
Crystal Unit, Quartz
Part Number666244-274
ManufacturerBae Systems Information And Electronic Systems Integration Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-981-2629 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Equivalent Resistance Value In Ohm50.0 NOMINAL
Terminal Length1.500 INCHES MINIMUM AND 1.525 INCHES MAXIMUM
MaterialGLASS COVER HOLDER
Overall Length0.530 INCHES MAXIMUM
Circuit ResonanceSERIES RESONANCE
Drive Level Rating1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM
Operating Temp Range-55.0 TO 105.0 CELSIUS AND -55.0 TO 125.0 CELSIUS
Frequency Tolerance For Operating-0.005 TO 0.005 AND -0.0010 TO 0.0010
Shunt Capacitance In Picofarads7.0 NOMINAL AND 6.0 MINIMUM AND 8.0 MAXIMUM
Overall Thickness0.183 INCHES MAXIMUM
Specified Frequency73.5625 MEGAHERTZ
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 666244-274 available?
We can source 666244-274 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 666244-274 by Bae Systems Information And Electronic Systems Integration Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 666244-274 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 666244-274?
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 666244-274?
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.