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Joint Army-Navy Specifications Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M · Electronic Components
NS4W4203
Insulator, Bowl
Part NumberNS4W4203
ManufacturerJoint Army-Navy Specifications Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-187-0125 (NSN)
Federal Item NameINSULATOR,BOWL
Federal Supply Class5970 — Electrical Insulators
MaterialCERAMIC MOUNTING BASE
First Counterbore Depth0.375 INCHES NOMINAL
Style DesignatorCOUNTERBORE
Top Hole Diameter0.200 INCHES NOMINAL
First Counterbore Diameter0.500 INCHES NOMINAL
Height Above Mounting Surface0.500 INCHES NOMINAL
Identification Code ColorWHITE
Outside Diameter0.875 INCHES NOMINAL
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 NS4W4203 available?
We can source NS4W4203 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 NS4W4203 by Joint Army-Navy Specifications Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If NS4W4203 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 NS4W4203?
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 NS4W4203?
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.