The Delbert Blinn Co Inc. · Electronic Components
SDM-303
Insulator, Plate
Part NumberSDM-303
ManufacturerThe Delbert Blinn Co Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-128-0247 (NSN)
Federal Item NameINSULATOR,PLATE
Federal Supply Class5970 — Electrical Insulators
Overall Height0.002 INCHES NOMINAL
Overall Length1.390 INCHES NOMINAL
Distance From Center To Edge0.695 INCHES NOMINAL FIRST
Style DesignatorFLAT, DIAMOND
MaterialMICA OVERALL
First End Radius0.215 INCHES NOMINAL
Overall Width0.938 INCHES NOMINAL
First Side Radius0.469 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 SDM-303 available?
We can source SDM-303 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 SDM-303 by The Delbert Blinn Co Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SDM-303 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 SDM-303?
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 SDM-303?
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.