Keysight Technologies · Electronic Components
H281A-C13
Adapter, Waveguide
Part NumberH281A-C13
ManufacturerKeysight Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-328-1349 (NSN)
Federal Item NameADAPTER,WAVEGUIDE
Federal Supply Class5985 — Antennas and Waveguides
Waveguide Inside Width1.118 INCHES MINIMUM AND 1.126 INCHES MAXIMUM
MaterialALUMINUM ALLOY SINGLE TUBING SEGMENT AND FLANGE
Flange Depth0.415 INCHES MINIMUM AND 0.445 INCHES MAXIMUM SINGLE FLANGE
Flange Inside Width1.250 INCHES MINIMUM AND 1.256 INCHES MAXIMUM SINGLE FLANGE
Flange Inside Height0.617 INCHES MINIMUM AND 0.623 INCHES MAXIMUM SINGLE FLANGE
Flange Quantity1
Flange Outside Width1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM SINGLE FLANGE
Adapter Height1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM
Cross Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Flange Connecting Facility And Qua4 UNTHREADED HOLE(S) SINGLE FLANGE ALL CONNECTION FACILITIES
Flange Outside Height1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM SINGLE FLANGE
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 H281A-C13 available?
We can source H281A-C13 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 H281A-C13 by Keysight Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If H281A-C13 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 H281A-C13?
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 H281A-C13?
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.