MIL-SPEC · Electronic Components
MS24171-D1
28VDC/200 AMP CONTACTOR
Part NumberMS24171-D1
ManufacturerMIL-SPEC
AvailabilityIn stock — ships fast
Specifications
NSN5945-00-660-9315 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Terminals4 THREADED STUD ALL FUNCTIONS
Overall Length4.500 INCHES MAXIMUM
Overall Width2.000 INCHES MAXIMUM
Overall Height3.710 INCHES NOMINAL
Main Contact Maximum Voltage Ratin28.0 DC
Fragility FactorMODERATELY RUGGED
Unthreaded Mounting Hole Diameter0.266 INCHES NOMINAL SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Time Delay0.025 SECONDS MAXIMUM FIXED OPERATE TIME; 0.01 SECONDS MAXIMUM FIXED RELEASE TIME
Coil Quantity1
Federal Supply Class5945 — Relays And Solenoids
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 MS24171-D1 in stock?
Yes — MS24171-D1 is in our stock database. Request a quote for current pricing and lead time.
Is MS24171-D1 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS24171-D1 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 MS24171-D1?
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 MS24171-D1?
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.