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Naval Air Systems Command Managed Original Design Activity Not Material/Parts Supplier · Electronic Components
178AS781
Switch, Push
Part Number178AS781
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/Parts Supplier
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-090-9660 (NSN)
Federal Item NameSWITCH,PUSH
Federal Supply Class5930 — Switches
Bushing Length0.312 INCHES NOMINAL
Overall Height0.500 INCHES NOMINAL
Body Length1.120 INCHES NOMINAL
Thread Series DesignatorUNEF
Inclosure TypeFULLY INCLOSED
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION SINGLE SWITCH UNIT
Mounting MethodTHREADED BUSHING
Contact Load Current Rating At Max100.000 MILLIAMPERES RESISTIVE AC
ColorAMBER SINGLE ACTUATOR
Terminal Type And Quantity4 TURRET
Nominal Thread Size0.375 INCHES
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 178AS781 available?
We can source 178AS781 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 178AS781 by Naval Air Systems Command Managed Original Design Activity Not Material/Parts Supplier obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 178AS781 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 178AS781?
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 178AS781?
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.