MIL-SPEC · Electronic Components
M287/4-47-0180
Waveguide Assembly
Part NumberM287/4-47-0180
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-926-7227 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Waveguide Inside Width0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM
Flange StyleCHOKE TYPE SECOND FLANGE
Thread Class2B SECOND FLANGE ALL CONNECTION FACILITIES
Waveguide Inside Height0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM
Waveguide Outside Height0.496 INCHES MINIMUM AND 0.504 INCHES MAXIMUM
Flange Connecting Facility And Qua4 THREADED HOLE(S) SECOND FLANGE ALL CONNECTION FACILITIES
Operating Pressure60.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM
FlexibilityFLEXIBLE SINGLE TUBING SEGMENT
Waveguide Length1.500 FEET NOMINAL
Insertion Loss In Decibels10.00
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Cancelled NSN5985-00-296-0266 (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 M287/4-47-0180 available?
We can source M287/4-47-0180 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 M287/4-47-0180 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M287/4-47-0180 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 M287/4-47-0180?
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 M287/4-47-0180?
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.