Us Army Aviation And Missile Command · Electronic Components
8018021
Crystal Unit, Quartz
Part Number8018021
ManufacturerUs Army Aviation And Missile Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-308-4013 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Body Length1.571 INCHES MINIMUM AND 1.591 INCHES MAXIMUM
Overall Width0.745 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
Frequency Tolerance For Operating-0.004 TO 0.004
Terminal Length0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM
Operating Temp Range-40.0 TO 70.0 CELSIUS
Center To Center Distance Between0.476 INCHES MINIMUM AND 0.496 INCHES MAXIMUM
Mode Of OscillationFUNDAMENTAL
Overall Thickness0.340 INCHES MINIMUM AND 0.345 INCHES MAXIMUM
Terminal Diameter0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM
Specified Frequency30.000 KILOHERTZ
Overall Length1.814 INCHES MINIMUM AND 1.918 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 8018021 available?
We can source 8018021 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 8018021 by Us Army Aviation And Missile Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 8018021 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 8018021?
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 8018021?
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.