Raytheon Company · Electronic Components
255985-1
Waveguide Assembly
Part Number255985-1
ManufacturerRaytheon Company
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-134-1555 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Voltage Standing Wave Ratio1.15
Flange Quantity2
Surface TreatmentSILVER ALL TUBING SEGMENT AND FLANGE INSIDE SURFACES
Flange Outside Width1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES
Insertion Loss In Decibels0.20
Flange Inside Width0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM ALL FLANGES
Waveguide Outside Width0.996 INCHES MINIMUM AND 1.004 INCHES MAXIMUM
Operating Pressure30.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM
Cross Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Flange Connecting Facility And Qua4 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Precious Material And LocationINTERNAL SURFACES SILVER
Vendor Part NumbersTS645479
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 255985-1 available?
We can source 255985-1 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 255985-1 by Raytheon Company obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 255985-1 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 255985-1?
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 255985-1?
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.