MIL-SPEC · Electronic Components
CR25/U331K8400
Crystal Unit, Quartz
Part NumberCR25/U331K8400
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-01-261-7750 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Body Thickness0.317 INCHES MAXIMUM
Terminal Diameter0.050 INCHES NOMINAL
Circuit ResonanceSERIES RESONANCE
Mode Of OscillationFUNDAMENTAL
Overall Thickness0.352 INCHES MAXIMUM
Equivalent Resistance Value In Ohm3000.0 MAXIMUM
Center To Center Distance Between0.486 INCHES NOMINAL
Test Data Document81349-MIL-C-3098 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DAT
Style DesignatorOVAL BODY, PIN TERMINALS
Frequency Tolerance For Operating-0.010 TO 0.010
Drive Level Rating2.0 MILLIWATTS NOMINAL
Cancelled NSN5955-00-922-7299 (cancelled)
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 CR25/U331K8400 available?
We can source CR25/U331K8400 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 CR25/U331K8400 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CR25/U331K8400 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 CR25/U331K8400?
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 CR25/U331K8400?
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.