Naval Sea Systems Command · Electronic Components
5550003
Plunger, Solenoid
Part Number5550003
ManufacturerNaval Sea Systems Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-165-5405 (NSN)
Federal Item NamePLUNGER,SOLENOID
Federal Supply Class5945 — Relays and Solenoids
Shaft TypePLAIN ROUND
Overall Length1.765 INCHES MINIMUM AND 1.767 INCHES MAXIMUM
MaterialSTEEL
Linkage TypeTHREADED HOLE
Thread Length0.138 INCHES
Hole Diameter0.083 INCHES MAXIMUM
Hole Depth0.188 INCHES MAXIMUM
Thread DirectionRIGHT-HAND
Shaft Diameter0.500 INCHES NOMINAL
Overall Diameter0.687 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 5550003 available?
We can source 5550003 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 5550003 by Naval Sea Systems Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 5550003 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 5550003?
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 5550003?
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.