Bae Systems Information And Electronic Systems Integration Inc. · Electronic Components
666163-674
Crystal Unit, Quartz
Part Number666163-674
ManufacturerBae Systems Information And Electronic Systems Integration Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-060-0725 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Overall Width0.435 INCHES MAXIMUM
Overall Thickness0.183 INCHES MAXIMUM
Frequency Tolerance For Operating-0.003 TO 0.003
Center To Center Distance Between0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
FSC Application DataOSCILLATORS AND PIEZOELECTRIC CRYSTALS
Operating Temp Range-28.0 TO 75.0 CELSIUS
Equivalent Resistance Value In Ohm30.0 NOMINAL
Style DesignatorOVAL BODY, WIRE LEADS
Fragility FactorDELICATE
Drive Level Rating5.0 MILLIWATTS NOMINAL
Specified Frequency4.955 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 666163-674 available?
We can source 666163-674 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 666163-674 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 666163-674 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 666163-674?
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 666163-674?
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.