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Naval Air Warfare Center Aircraft Division, Lakehurst  · Electronic Components

521661-1

Switch, Push

Part Number521661-1
ManufacturerNaval Air Warfare Center Aircraft Division, Lakehurst
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameSWITCH,PUSH
Federal Supply Class5930 — Switches
Actuator Length1.040 INCHES NOMINAL
Actuator StyleRECTANGULAR
Overall Width0.960 INCHES NOMINAL
Illuminated Actuator ColorGREEN AND RED SINGLE ACTUATOR
Nonpile Up Contact Arrangement2 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
Mounting Surface To Terminal End D3.094 INCHES MAXIMUM
Illuminated Actuator Color SequencUPPER HALF OF ACTUATOR GREEN LOWER HALF OF ACTUATOR RED
Maximum Voltage Rating In Volts115.0 AC AND 28.0 DC
Actuator InscriptionPOWER OFF SINGLE ACTUATOR
ColorWHITE SINGLE ACTUATOR
Terminal Type And Quantity5 TAB, SOLDER LUG AND 6 TURRET
Vendor Part Numbers10HA30C1F171J14L
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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

Frequently asked

Is 521661-1 available?
We can source 521661-1 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 521661-1 by Naval Air Warfare Center Aircraft Division, Lakehurst obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 521661-1 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 521661-1?
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 521661-1?
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.