Essex Industries Inc. · Electronic Components
30021
Switch, Push
Part Number30021
ManufacturerEssex Industries Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-936-4572 (NSN)
Federal Item NameSWITCH,PUSH
Federal Supply Class5930 — Switches
Thread Quantity Per Inch24
Thread Series DesignatorUNEF
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, DOUBLE MAKE, MOMENTARY ACTION SINGLE SWITCH UNIT
Inclosure TypeFULLY INCLOSED
Body StyleBUSHING MOUNTED
Contact Load Current Rating At Max5.000 AMPERES RESISTIVE DC
Terminal Type And Quantity2 TAB, SOLDER LUG
Nominal Thread Size0.625 INCHES
Bushing Length0.438 INCHES NOMINAL
Maximum Voltage Rating In Volts28.0 DC
Ac Voltage Rating120.0 VOLTS MINIMUM FIRST ALTERNATE OPERATING POWER RQMT
Connector IdentificationMIL-C-5015D AND 16695
Frequency Rating60.0 HERTZ NOMINAL SECOND ALTERNATE OPERATING POWER RQMT
Electrical Connection TypeCONNECTOR RECEPTACLE
Actuation MethodBUOYANCY
Overall Diameter4.500 INCHES NOMINAL
Liquid Type For Which DesignedHYDRAULIC OIL AND LUBRICANT, OIL AND SEA WATER AND VARIOUS FUELS AND WATER
Mounting DimensionsMTD BY FOUR 9/32 IN. DIA HOLES LOCATED ON 3-1/2 IN. DIA BOLT CIRCLE
Tank Insertion Length5.875 INCHES MINIMUM AND 6.125 INCHES MAXIMUM
Operating Temp Rating-65.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM
Connector Manufacturer Code04034
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 30021 available?
We can source 30021 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 30021 by Essex Industries Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 30021 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 30021?
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 30021?
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.