Northrop Grumman Systems Corporation · Electronic Components
1881130
Coupler, Rotary, Radio Frequency
Part Number1881130
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-400-8153 (NSN)
Federal Item NameCOUPLER,ROTARY,RADIO FREQUENCY
Federal Supply Class5985 — Antennas and Waveguides
Overall Length13.711 INCHES NOMINAL
Mounting ConfigurationFOUR 0.166 IN. DIA MTG HOLES ON 1.634 IN. BY 1.634 IN. MTG CENTERS
Radio Frequency Rating9.345 GIGAHERTZ MINIMUM AND 9.405 GIGAHERTZ MAXIMUM
Unit TypeWAVEGUIDE
MaterialALUMINUM AND STEEL CORROSION RESISTING
Overall Diameter2.781 INCHES NOMINAL
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 1881130 available?
We can source 1881130 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 1881130 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1881130 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 1881130?
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 1881130?
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.