Seastrom Manufacturing Co Inc. · Electronic Components
5210-4
Insulator, Plate
Part Number5210-4
ManufacturerSeastrom Manufacturing Co Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-137-9347 (NSN)
Federal Item NameINSULATOR,PLATE
Federal Supply Class5970 — Electrical Insulators
Overall Length1.250 INCHES NOMINAL
Fifth Hole Spacing0.100 INCHES NOMINAL
Second Hole Diameter0.035 INCHES NOMINAL
Material Document And ClassificatiHH-I-536 FED SPEC SINGLE MATERIAL RESPONSE CLEANING WIRE
Style DesignatorFLAT, DIAMOND
Fourth Hole Spacing0.200 INCHES NOMINAL
Unable To DecodeUNABLE TO DECODE
First Hole Spacing0.145 INCHES NOMINAL
Overall Width0.700 INCHES NOMINAL
MaterialMICA CLEANING WIRE
Overall Height0.002 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 5210-4 available?
We can source 5210-4 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 5210-4 by Seastrom Manufacturing Co Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 5210-4 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 5210-4?
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 5210-4?
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.