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Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
B4037972
Attenuator, Variable
Part NumberB4037972
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-373-3139 (NSN)
Federal Item NameATTENUATOR,VARIABLE
Federal Supply Class5985 — Antennas and Waveguides
Bolt Circle Diameter2.500 INCHES NOMINAL
Mounting Facility Nominal Screw Th0.138 INCHES
Power Rating10.0 WATTS AVERAGE AND 5.0 KILOWATTS PEAK
Terminal Type And Quantity2 CONNECTOR, COAXIAL, FEMALE
Mounting Facility Screw Thread SerUNIFIED NATIONAL COARSE (UNC)
Attenuation Variation MethodCONTINUOUS
Adjustment Device Type And Quantit1 KNOB
Coaxial Connector Series DesignatiSMA
Voltage Standing Wave Ratio1.50
Mounting Facility Type And Quantit3 THREADED HOLE(S)
Overall Length2.340 INCHES NOMINAL
Vendor Part NumbersPF6684-30S
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 B4037972 available?
We can source B4037972 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 B4037972 by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B4037972 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 B4037972?
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 B4037972?
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.