Northrop Grumman Systems Corporation · Electronic Components
331C178H01
Relay, Rotary
Part Number331C178H01
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-613-8550 (NSN)
Federal Item NameRELAY,ROTARY
Federal Supply Class5945 — Relays and Solenoids
Overall Height2.688 INCHES MAXIMUM
Coil Winding Quantity1
Winding CharacteristicSINGLE WOUND UNTAPPED
Section Quantity6
Mounting ConfigurationFOUR 0.164 IN. DIA MTG HOLES ON 1.375 IN. BY 3.688 IN. MTG CENTERS
Structural DesignSECTIONAL
Overall Length7.532 INCHES NOMINAL
Common Terminal Quantity0
Overall Width2.125 INCHES MAXIMUM
Dc Operating Voltage Rating In Vol115.0 NOMINAL
Coil Terminal Quantity2
Vendor Part NumbersA-37793-003
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 331C178H01 available?
We can source 331C178H01 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 331C178H01 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 331C178H01 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 331C178H01?
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 331C178H01?
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.