The Delbert Blinn Co Inc. · Electronic Components
DM-133
Insulator, Plate
Part NumberDM-133
ManufacturerThe Delbert Blinn Co Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-020-9633 (NSN)
Federal Item NameINSULATOR,PLATE
Federal Supply Class5970 — Electrical Insulators
Overall Width1.063 INCHES NOMINAL
Overall Height0.001 INCHES MINIMUM AND 0.003 INCHES MAXIMUM
MaterialMICA OVERALL
Style DesignatorFLAT, DIAMOND
Fifth Hole Spacing0.215 INCHES NOMINAL
Fourth Hole Spacing0.430 INCHES NOMINAL
First End Radius0.234 INCHES NOMINAL
Third Hole Spacing1.187 INCHES NOMINAL
Second Hole Diameter0.052 INCHES NOMINAL
First Hole Diameter0.140 INCHES NOMINAL
First Hole Spacing0.234 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 DM-133 available?
We can source DM-133 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 DM-133 by The Delbert Blinn Co Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If DM-133 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 DM-133?
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 DM-133?
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.