Precision Devices · Electronic Components
HS03900XFAS20SX
Crystal Unit, Quartz
Part NumberHS03900XFAS20SX
ManufacturerPrecision Devices
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-01-304-2022 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Specified Frequency3.9 MEGAHERTZ
Style DesignatorOVAL BODY, PIN TERMINALS
Body Length0.60 INCHES MAXIMUM
Terminal Diameter0.030 INCHES NOMINAL
Body Width0.555 INCHES MAXIMUM
Center To Center Distance Between0.275 INCHES NOMINAL
Operating Temp Range-55.0 TO 85.0 CELSIUS
Vendor Part NumbersA3012956-3
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 HS03900XFAS20SX available?
We can source HS03900XFAS20SX 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 HS03900XFAS20SX by Precision Devices obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If HS03900XFAS20SX 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 HS03900XFAS20SX?
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 HS03900XFAS20SX?
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.