MIL-SPEC · Electronic Components
CR6U8591-70KC
Crystal Unit, Quartz
Part NumberCR6U8591-70KC
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-129-5787 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Body Length1.110 INCHES MINIMUM AND 1.140 INCHES MAXIMUM
Overall Length1.593 INCHES NOMINAL
Operating Temp Range-40.0 TO 70.0 CELSIUS
Center To Center Distance Between0.486 INCHES NOMINAL
Style DesignatorRECTANGULAR BODY, PIN TERMINALS
Overall Thickness0.407 INCHES MINIMUM AND 0.447 INCHES MAXIMUM
Terminal Length0.468 INCHES NOMINAL
Test Data Document81349-MILC10405 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA
Mode Of OscillationFUNDAMENTAL
MaterialPLASTIC COVER HOLDER
Terminal Diameter0.091 INCHES MINIMUM AND 0.095 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 CR6U8591-70KC available?
We can source CR6U8591-70KC 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 CR6U8591-70KC by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CR6U8591-70KC 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 CR6U8591-70KC?
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 CR6U8591-70KC?
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.