Northrop Grumman Systems · Electronic Components
900999-501
Chopper, Electronic
Part Number900999-501
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-792-2572 (NSN)
Federal Item NameCHOPPER,ELECTRONIC
Federal Supply Class5945 — Relays and Solenoids
Phase Angle In Deg70.0
Drive Frequency Rating400.0 HERTZ NOMINAL
Connection LocationTOP
Features ProvidedPLUG-IN MOUNTING
Overall Diameter1.063 INCHES NOMINAL
Dwell Time Rating In Deg162.0 NOMINAL
Contact Current Rating1.0 MILLIAMPERES NOMINAL
Contact Voltage Rating10.0 DC VOLTS MAXIMUM
Operating Temp Range-55.0 TO 85.0 CELSIUS
Drive Voltage Rating6.3 AC VOLTS NOMINAL
Base Mounting Size Designation9 PIN MINIATURE TUBE
Cancelled NSN5945-00-791-9890 (cancelled)
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 900999-501 available?
We can source 900999-501 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 900999-501 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 900999-501 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 900999-501?
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 900999-501?
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.