Frequency Electronics · Electronic Components
5351-987-1
Crystal Unit, Quartz
Part Number5351-987-1
ManufacturerFrequency Electronics
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-432-9117 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Body Thickness0.297 INCHES MINIMUM AND 0.317 INCHES MAXIMUM
Overall Length1.000 INCHES MAXIMUM
Center To Center Distance Between0.476 INCHES MINIMUM AND 0.496 INCHES MAXIMUM
Frequency Tolerance For Operating-0.003 TO 0.003
Equivalent Resistance Value In Ohm10000.0 MAXIMUM
Drive Level Rating0.1 MILLIWATTS NOMINAL
Style DesignatorOVAL BODY, PIN TERMINALS
Operating Temp Range-40.0 TO 71.0 CELSIUS
Body Width0.710 INCHES MINIMUM AND 0.730 INCHES MAXIMUM
Terminal Length0.225 INCHES MINIMUM AND 0.245 INCHES MAXIMUM
Overall Width0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
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 5351-987-1 available?
We can source 5351-987-1 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 5351-987-1 by Frequency Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 5351-987-1 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 5351-987-1?
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 5351-987-1?
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.