Lockheed Martin · Electronic Components
654E7190-664
Waveguide Assembly
Part Number654E7190-664
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-396-2977 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Waveguide Outside Height0.388 INCHES MINIMUM AND 0.394 INCHES MAXIMUM
Waveguide Inside Width0.619 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
Flange Depth0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM ALL FLANGES
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
MaterialCOPPER ALLOY SINGLE TUBING SEGMENT
Flange Connecting Hole Diameter0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES
Flange Quantity2
FlexibilityRIGID SINGLE TUBING SEGMENT
Waveguide Length17.880 INCHES MINIMUM AND 18.120 INCHES MAXIMUM
Operating Pressure18.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM
Waveguide Outside Width0.699 INCHES MINIMUM AND 0.705 INCHES MAXIMUM
Vendor Part NumbersTS-57-4-B-6-N
ESD/EMICode A — ESD/EMI sensitive item
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 654E7190-664 available?
We can source 654E7190-664 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 654E7190-664 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 654E7190-664 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 654E7190-664?
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 654E7190-664?
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.