Bliley Technologies · Electronic Components
289-7004-490
Crystal Unit, Quartz
Part Number289-7004-490
ManufacturerBliley Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-009-8137 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Shunt Capacitance In Picofarads4.5 NOMINAL AND 3.8 MINIMUM AND 5.3 MAXIMUM
Drive Level Rating0.5 MILLIWATTS NOMINAL
Operating Temp Range-30.0 TO 60.0 CELSIUS
Equivalent Resistance Value In Ohm60.0 NOMINAL
Frequency Tolerance For Operating-0.0005 TO 0.0005
Style DesignatorHAT TYPE, 3 WIRE LEADS
Center To Center Distance Between0.200 INCHES NOMINAL
Diameter0.305 INCHES MINIMUM AND 0.335 INCHES MAXIMUM
Overall Diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM
Terminal Length1.500 INCHES MINIMUM
Mode Of OscillationFIFTH OVERTONE
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 289-7004-490 available?
We can source 289-7004-490 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 289-7004-490 by Bliley Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 289-7004-490 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 289-7004-490?
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 289-7004-490?
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.