Northrop Grumman Systems · Electronic Components
7491A42H06
Crystal Unit, Quartz
Part Number7491A42H06
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-01-360-6625 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Style DesignatorHAT TYPE, 3 WIRE LEADS
Terminal Diameter0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM
Center To Center Distance Between0.200 INCHES NOMINAL
Frequency Tolerance For Operating-0.005 TO 0.005
Mode Of OscillationTHIRD OVERTONE
Shunt Capacitance In Picofarads4.5 MAXIMUM
Diameter0.325 INCHES MAXIMUM
Overall Length0.265 INCHES MAXIMUM
Terminal Length1.000 INCHES MAXIMUM
Specified Frequency104.541666 MEGAHERTZ
Operating Temp Range+0.0 TO 90.0 CELSIUS
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 7491A42H06 available?
We can source 7491A42H06 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 7491A42H06 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 7491A42H06 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 7491A42H06?
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 7491A42H06?
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.