Lockheed Martin · Electronic Components
185A453-1
Attenuator, Variable
Part Number185A453-1
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-443-4508 (NSN)
Federal Item NameATTENUATOR,VARIABLE
Federal Supply Class5985 — Antennas and Waveguides
Overall Length1.500 INCHES NOMINAL
Attenuation Per Step In Decibels0.25
Overall Height0.200 INCHES NOMINAL
Application DesignWAVEGUIDE
Adjustment Device Type And Quantit1 ELECTRONIC, VOLTAGE CONTROLLED
Overall Width0.820 INCHES NOMINAL
Body StyleWAVEGUIDE TYPE
Nuclear Hardness Critical FeatureHARDENED
Overall Attenuation Range In Decib+0.25 TO 1.75
Step Position Quantity7
Terminal Type And Quantity7 PIN
ESD/EMICode B — 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 185A453-1 available?
We can source 185A453-1 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 185A453-1 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 185A453-1 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 185A453-1?
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 185A453-1?
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.