Bliley Technologies Inc. · Electronic Components
B638-16
Crystal Unit, Quartz
Part NumberB638-16
ManufacturerBliley Technologies Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-451-2024 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Body Width0.725 INCHES MAXIMUM
Frequency Tolerance For Operating-0.0025 TO 0.0025
Style DesignatorOVAL BODY, PIN TERMINALS
Center To Center Distance Between0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM
Drive Level Rating5.0 MILLIWATTS NOMINAL AND 4.0 MILLIWATTS MINIMUM AND 6.0 MILLIWATTS MAXIMUM
Equivalent Resistance Value In Ohm50.0 NOMINAL
Overall Thickness0.352 INCHES MAXIMUM
Body Length0.775 INCHES MAXIMUM
Operating Temp Range-30.0 TO 60.0 CELSIUS
Terminal Diameter0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM
Specified Frequency4.914 MEGAHERTZ
Vendor Part Numbers925136-16
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 B638-16 available?
We can source B638-16 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 B638-16 by Bliley Technologies Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B638-16 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 B638-16?
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 B638-16?
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.