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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-B-529004
Crystal Unit, Quartz
Part NumberSM-B-529004
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-949-1909 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
MaterialGLASS COVER HOLDER
Frequency Tolerance For Operating-0.002 TO 0.002 AND -0.007 TO 0.007
Center To Center Distance Between0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM
Operating Temp Range-29.0 TO 70.0 CELSIUS
Equivalent Resistance Value In Ohm60.0 NOMINAL
Style DesignatorRECTANGULAR BODY, GULL WING
Circuit ResonanceSERIES RESONANCE
Body Thickness0.317 INCHES MAXIMUM
Overall Width0.757 INCHES MAXIMUM
Terminal Length1.000 INCHES MINIMUM AND 2.000 INCHES MAXIMUM
Overall Thickness0.352 INCHES MAXIMUM
Vendor Part NumbersVR6E2304KHZ, 78AX1254-2.304MHZ
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 SM-B-529004 available?
We can source SM-B-529004 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 SM-B-529004 by US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SM-B-529004 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 SM-B-529004?
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 SM-B-529004?
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.