Northrop Grumman Systems · Electronic Components
900027-56
Switch, Rotary
Part Number900027-56
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-064-6859 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Shaft Length0.870 INCHES MINIMUM AND 0.890 INCHES MAXIMUM SINGLE ACTUATOR
Thread Class2A SINGLE MOUNTING FACILITY
Nonturn Device Radius0.520 INCHES MINIMUM AND 0.540 INCHES MAXIMUM AT 3:00 OCLOCK
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Overall Width1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM
First Flat Length0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM SINGLE ACTUATOR
Switch Contact Basic DesignNONPILE-UP NONSYMMETRICAL
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY
Shaft Diameter0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM SINGLE ACTUATOR
Overall Length1.620 INCHES MINIMUM AND 1.640 INCHES MAXIMUM
Overall Height1.300 INCHES MINIMUM AND 1.320 INCHES MAXIMUM
Vendor Part Numbers205080F1X
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 900027-56 available?
We can source 900027-56 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 900027-56 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 900027-56 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 900027-56?
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 900027-56?
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.