Kearfott · Electronic Components
G128-290-002
Waveguide Assembly
Part NumberG128-290-002
ManufacturerKearfott
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-008-2032 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Flange Outside Width1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM ALL FLANGES
Waveguide Outside Width0.699 INCHES MINIMUM AND 0.705 INCHES MAXIMUM
Flange Inside Width0.705 INCHES MINIMUM AND 0.707 INCHES MAXIMUM ALL FLANGES
MaterialCOPPER ALLOY ALL TUBING SEGMENT AND FLANGE
Bend Angle In Deg90.0 SINGLE BEND H-PLANE
Flange Outside Height1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM ALL FLANGES
Tubing Wall Construction StyleSEAMLESS ALL TUBING SEGMENT
Voltage Standing Wave Ratio1.15
Waveguide Inside Height0.3085 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM
Style DesignatorBEND TYPE
Flange Quantity2
Vendor Part NumbersG5185-170-02
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 G128-290-002 available?
We can source G128-290-002 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 G128-290-002 by Kearfott obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If G128-290-002 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 G128-290-002?
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 G128-290-002?
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.