Unicorp. · Electronic Components
W1-201ST
Insulator, Bushing
Part NumberW1-201ST
ManufacturerUnicorp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-203-8846 (NSN)
Federal Item NameINSULATOR,BUSHING
Federal Supply Class5970 — Electrical Insulators
Shank Height0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM
Overall Height0.067 INCHES MINIMUM AND 0.082 INCHES MAXIMUM
Style DesignatorSHOULDER
Material Document And ClassificatiMIL-P-15035, TYPE FBI MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialPLASTIC PHENOLIC AND COTTON OVERALL
Shank Outside Diameter0.187 INCHES NOMINAL
Outside Diameter0.313 INCHES NOMINAL
Inside Diameter0.144 INCHES MINIMUM AND 0.149 INCHES MAXIMUM
Vendor Part Numbers13059017
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 W1-201ST available?
We can source W1-201ST 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 W1-201ST by Unicorp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If W1-201ST 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 W1-201ST?
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 W1-201ST?
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.