MIL-SPEC · Electronic Components
MX-407B/U
Seal, Radio Frequency Transmissio
Part NumberMX-407B/U
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-588-4869 (NSN)
Federal Item NameSEAL,RADIO FREQUENCY TRANSMISSIO
Federal Supply Class5985 — Antennas and Waveguides
Transmission Line Opening Diameter0.930 INCHES NOMINAL
Surface TreatmentSILVER
Precious Material And LocationFINISH SILVER
Transmission Line Characteristic I51.0 OHMS NOMINAL
Internal Conductor Connector TypeSOLDER CONTACT
MaterialCOPPER ALLOY
Precious MaterialSILVER
External Connector TypeCLAMP
Overall Diameter2.500 INCHES NOMINAL
Overall Length7.500 INCHES NOMINAL
Vendor Part NumbersREB49168REVB
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 MX-407B/U available?
We can source MX-407B/U 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 MX-407B/U by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MX-407B/U 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 MX-407B/U?
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 MX-407B/U?
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.