Raytheon Company · Electronic Components
480991-1
Crystal Unit, Quartz
Part Number480991-1
ManufacturerRaytheon Company
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-487-1889 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Diameter0.335 INCHES MAXIMUM
Specified Frequency120.417 MEGAHERTZ
Operating Temp Range-18.0 TO 85.0 CELSIUS
Mode Of OscillationFIFTH OVERTONE
Terminal Length0.156 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
Terminal Diameter0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM
Overall Length0.265 INCHES MAXIMUM
Circuit ResonanceSERIES RESONANCE
Center To Center Distance Between0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM
Equivalent Resistance Value In Ohm60.0 MAXIMUM
Style DesignatorHAT TYPE, 3 WIRE LEADS
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 480991-1 available?
We can source 480991-1 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 480991-1 by Raytheon Company obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 480991-1 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 480991-1?
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 480991-1?
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.