NAVAIR/NAVSEA Design Activity · Electronic Components
2901561-2
Waveguide Assembly
Part Number2901561-2
ManufacturerNAVAIR/NAVSEA Design Activity
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-274-5221 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Flange Outside Height2.330 INCHES NOMINAL ALL FLANGES
Waveguide Inside Width2.840 INCHES NOMINAL
Flange Connecting Facility And Qua8 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
FlexibilityRIGID SINGLE TUBING SEGMENT
Waveguide Length116.010 INCHES MINIMUM AND 116.250 INCHES MAXIMUM
Waveguide Outside Width3.000 INCHES NOMINAL
Flange Connecting Hole Diameter0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES
Flange StyleCONTACT TYPE ALL FLANGES
Flange Depth0.310 INCHES NOMINAL ALL FLANGES
Flange Outside Width3.750 INCHES NOMINAL ALL FLANGES
Waveguide Center To Center Distanc28.570 INCHES MINIMUM AND 28.810 INCHES MAXIMUM
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 2901561-2 available?
We can source 2901561-2 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 2901561-2 by NAVAIR/NAVSEA Design Activity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2901561-2 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 2901561-2?
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 2901561-2?
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.