Raytheon · Electronic Components
537961-3
Crystal Unit, Quartz
Part Number537961-3
ManufacturerRaytheon
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-925-2557 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Body Length0.550 INCHES NOMINAL
Body Width0.526 INCHES NOMINAL
Terminal Length0.238 INCHES NOMINAL
Drive Level Rating4.0 MILLIWATTS MINIMUM AND 6.0 MILLIWATTS MAXIMUM
Style DesignatorOVAL BODY, PIN TERMINALS
Equivalent Resistance Value In Ohm50.0 NOMINAL
Frequency Tolerance For Operating-0.002 TO 0.002
Load Capacitance In Picofarads31.5 MINIMUM AND 32.5 MAXIMUM
Center To Center Distance Between0.275 INCHES NOMINAL
Terminal Diameter0.040 INCHES NOMINAL
Circuit ResonanceANTIRESONANCE
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 537961-3 available?
We can source 537961-3 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 537961-3 by Raytheon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 537961-3 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 537961-3?
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 537961-3?
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.