Naval Sea Systems Command · Electronic Components
2904953-3
Waveguide Assembly
Part Number2904953-3
ManufacturerNaval Sea Systems Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-273-4203 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
MaterialCOPPER ALLOY SINGLE TUBING SEGMENT AND FLANGE
Waveguide Inside Width1.102 INCHES NOMINAL
Flange Connecting Facility And Qua8 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Waveguide Length4.250 INCHES NOMINAL
Surface TreatmentCOPPER AND OXIDE SINGLE TUBING SEGMENT AND FLANGE OUTSIDE SURFACES
Operating Pressure10.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM
Style DesignatorSTRAIGHT TYPE
Flange StyleCONTACT TYPE ALL FLANGES
Waveguide Outside Width1.178 INCHES MINIMUM AND 1.180 INCHES MAXIMUM
Waveguide Inside Height0.497 INCHES NOMINAL
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIP.
Vendor Part Numbers46613-303
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 2904953-3 available?
We can source 2904953-3 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 2904953-3 by Naval Sea Systems Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2904953-3 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 2904953-3?
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 2904953-3?
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.