US Army Aviation and Missile Command · Electronic Components
9975555-1
Attenuator, Fixed
Part Number9975555-1
ManufacturerUS Army Aviation and Missile Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-884-9875 (NSN)
Federal Item NameATTENUATOR,FIXED
Federal Supply Class5985 — Antennas and Waveguides
Application DesignTRANSMISSION LINE
MaterialCOPPER ALLOY BODY
Precious MaterialSILVER
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Surface TreatmentSILVER BODY
Precious Material And LocationBODY SURFACES SILVER
Overall Diameter0.812 INCHES MINIMUM AND 0.844 INCHES MAXIMUM
Frequency Range0.000 HERTZ MINIMUM AND 4000.000 MEGAHERTZ MAXIMUM
Overall Length3.609 INCHES MINIMUM AND 3.641 INCHES MAXIMUM
Voltage Standing Wave Ratio Freque+0.0 TO 2000.0 MEGAHERTZ AND +2000.0 TO 4000.0 MEGAHERTZ
Terminal Type And Quantity2 CONNECTOR
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 9975555-1 available?
We can source 9975555-1 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 9975555-1 by US Army Aviation and Missile Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 9975555-1 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 9975555-1?
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 9975555-1?
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.