Telephonics Corp./PRD Instruments · Electronic Components
175B
Attenuator, Variable
Part Number175B
ManufacturerTelephonics Corp./PRD Instruments
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-773-3437 (NSN)
Federal Item NameATTENUATOR,VARIABLE
Federal Supply Class5985 — Antennas and Waveguides
Overall Length17.000 INCHES NOMINAL
Application DesignWAVEGUIDE
Mounting Facility Type And Quantit2 TERMINAL WITH MOUNTING HOLES
Step Position Quantity100
Bolt Circle Diameter4.750 INCHES NOMINAL
Adjustment Device Type And Quantit1 KNOB
Overall Attenuation Range In Decib+0.0 TO 100.0
Overall Height5.312 INCHES NOMINAL
Terminal Type And Quantity2 FLANGE
Overall Width8.000 INCHES NOMINAL
Attenuation Per Step In Decibels1.0
Vendor Part Numbers36039
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 175B available?
We can source 175B 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 175B by Telephonics Corp./PRD Instruments obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 175B 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 175B?
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 175B?
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.