Reliance Mica · Electronic Components
RFM1580
Insulator, Washer
Part NumberRFM1580
ManufacturerReliance Mica
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-454-1107 (NSN)
Federal Item NameINSULATOR,WASHER
Federal Supply Class5970 — Electrical Insulators
Style DesignatorROUND, FLAT
Dielectric Material Voltage Rating1000.0 VOLTS PER MIL /0.001 INCH/
Overall Height0.003 INCHES MINIMUM AND 0.005 INCHES MAXIMUM
Outside Diameter0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM
Inside Diameter0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM
Vendor Part Numbers128-004-0013
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 RFM1580 available?
We can source RFM1580 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 RFM1580 by Reliance Mica obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RFM1580 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 RFM1580?
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 RFM1580?
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.