Lockheed Martin · Electronic Components
654VE7190-21
Waveguide Assembly
Part Number654VE7190-21
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-390-0632 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Waveguide Length24.750 INCHES MINIMUM AND 25.250 INCHES MAXIMUM
Waveguide Inside Height0.867 INCHES MINIMUM AND 0.877 INCHES MAXIMUM
MaterialCOPPER ALLOY SINGLE TUBING SEGMENT
Flange StyleCOVER TYPE ALL FLANGES
Waveguide Outside Width1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM
Operating Pressure30.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM
FlexibilityFLEXIBLE SINGLE TUBING SEGMENT
Voltage Standing Wave Ratio1.10
Insertion Loss In Decibels0.08
Flange Outside Diameter3.610 INCHES MINIMUM AND 3.640 INCHES MAXIMUM ALL FLANGES
Waveguide Inside Width1.867 INCHES MINIMUM AND 1.877 INCHES MAXIMUM
Vendor Part Numbers232279, TFT-78-2-A-25-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 654VE7190-21 available?
We can source 654VE7190-21 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 654VE7190-21 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 654VE7190-21 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 654VE7190-21?
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 654VE7190-21?
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.