Frontgrade Technologies Inc. · Electronic Components
MA504681
Adapter, Waveguide
Part NumberMA504681
ManufacturerFrontgrade Technologies Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-243-8419 (NSN)
Federal Item NameADAPTER,WAVEGUIDE
Federal Supply Class5985 — Antennas and Waveguides
Waveguide Outside Height0.496 INCHES MINIMUM AND 0.504 INCHES MAXIMUM
Flange Depth0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM SINGLE FLANGE
Voltage Standing Wave Ratio1.25
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
MaterialALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE
Tubing Wall Construction StyleSEAMLESS ALL TUBING SEGMENT
Flange Connecting Facility And Qua4 THREADED HOLE(S) SINGLE FLANGE ALL CONNECTION FACILITIES
Flange Inside Height0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM SINGLE FLANGE
Flange Inside Diameter1.406 INCHES MINIMUM AND 1.437 INCHES MAXIMUM SINGLE FLANGE
Thread Class2B SINGLE FLANGE ALL CONNECTION FACILITIES
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE FLANGE ALL CONNECTION FACILITIES
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 MA504681 available?
We can source MA504681 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 MA504681 by Frontgrade Technologies Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MA504681 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 MA504681?
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 MA504681?
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.