NAVAIR/NAVSEA Design Activity · Electronic Components
3151668-1
Waveguide Assembly
Part Number3151668-1
ManufacturerNAVAIR/NAVSEA Design Activity
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-087-3806 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Cross Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Style DesignatorDOUBLE BEND TYPE
FlexibilityRIGID SINGLE TUBING SEGMENT
Flange Inside Height0.497 INCHES NOMINAL SECOND FLANGE
Waveguide Outside Height1.875 INCHES NOMINAL
Flange Outside Width1.875 INCHES NOMINAL SECOND FLANGE
Flange Inside Width1.255 INCHES NOMINAL FIRST FLANGE
Flange Depth0.438 INCHES NOMINAL FIRST FLANGE
Flange Inside Diameter1.625 INCHES NOMINAL SECOND FLANGE
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Flange Outside Height1.875 INCHES NOMINAL FIRST FLANGE
Vendor Part Numbers1055165-001
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 3151668-1 available?
We can source 3151668-1 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 3151668-1 by NAVAIR/NAVSEA Design Activity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3151668-1 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 3151668-1?
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 3151668-1?
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.