Bliley Technologies Inc. · Electronic Components
B641-2
Crystal Unit, Quartz
Part NumberB641-2
ManufacturerBliley Technologies Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-451-2025 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Circuit ResonanceSERIES RESONANCE
Body Thickness0.317 INCHES MAXIMUM
Style DesignatorOVAL BODY, WIRE LEADS
Equivalent Resistance Value In Ohm1500.0 NOMINAL
Frequency Tolerance For Operating-0.0035 TO 0.0035
Center To Center Distance Between0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM
Drive Level Rating2.0 MILLIWATTS NOMINAL AND 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM
Body Width0.725 INCHES MAXIMUM
Overall Thickness0.350 INCHES MAXIMUM
Overall Length0.775 INCHES MAXIMUM
Mode Of OscillationFUNDAMENTAL
Vendor Part Numbers925144-2
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 B641-2 available?
We can source B641-2 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 B641-2 by Bliley Technologies Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B641-2 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 B641-2?
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 B641-2?
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.