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Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-B-684331
Circulator, Radio Frequency
Part NumberSM-B-684331
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-140-7407 (NSN)
Federal Item NameCIRCULATOR,RADIO FREQUENCY
Federal Supply Class5985 — Antennas and Waveguides
Document TypeMILITARY SPECIFICATION
Overall Depth0.500 INCHES NOMINAL
Connection MethodCONNECTOR ELECTRICAL
Overall Width1.671 INCHES NOMINAL
Impedance Rating In Ohms50.0 NOMINAL
Overall Length2.150 INCHES NOMINAL
Connector Quantity3
Frequency Range Rating+4500.0 TO 4900.0 MEGAHERTZ
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-684331 available?
We can source SM-B-684331 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-684331 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-684331 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-684331?
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-684331?
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.