Raytheon Company · Electronic Components
668928-1
Waveguide Assembly
Part Number668928-1
ManufacturerRaytheon Company
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-187-7583 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Cross Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Flange Outside Diameter5.298 INCHES MINIMUM AND 5.328 INCHES MAXIMUM SECOND FLANGE
Thread DirectionRIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES
Flange Depth0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM SECOND FLANGE
Surface TreatmentCHROMATE ALL TUBING SEGMENT AND FLANGE INSIDE SURFACES
Nominal Thread Size0.250 INCHES FIRST FLANGE ALL CONNECTION FACILITIES
Flange Inside Width3.002 INCHES MINIMUM AND 3.005 INCHES MAXIMUM SECOND FLANGE
Flange StyleCHOKE TYPE FIRST FLANGE
Flange Connecting Hole Diameter0.257 INCHES NOMINAL SECOND FLANGE ALL CONNECTION FACILITIES
Thread Class2B FIRST FLANGE ALL CONNECTION FACILITIES
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) FIRST FLANGE ALL CONNECTION FACILITIES
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 668928-1 available?
We can source 668928-1 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 668928-1 by Raytheon Company obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 668928-1 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 668928-1?
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 668928-1?
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.