DRI Relays · Electronic Components
4AS39-B
Relay, Rotary
Part Number4AS39-B
ManufacturerDRI Relays
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-023-1668 (NSN)
Federal Item NameRELAY,ROTARY
Federal Supply Class5945 — Relays and Solenoids
Pull In Current21.0 MILLIAMPERES MAXIMUM
Contact Arrangement4PDT
Contact Terminal Quantity12
Mounting ConfigurationTWO 0.156 IN. DIA MTG HOLES SPACED 1.437 IN. C TO C
Structural DesignNONPILE-UP
Coil Terminal Quantity2
Coil Dc Resistance1.14 KILOHMS NOMINAL
Contact Current TypeAC AND DC
Contact Maximum Voltage Rating In120.0
Contact Maximum Rated Current5.0 AMPERES RESISTIVE
Winding CharacteristicSINGLE WOUND UNTAPPED
Vendor Part Numbers4A-X1624
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 4AS39-B available?
We can source 4AS39-B 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 4AS39-B by DRI Relays obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4AS39-B 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 4AS39-B?
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 4AS39-B?
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.