Isolantite Manufacturing Co Inc. · Electronic Components
21846
Insulator, Feedthru
Part Number21846
ManufacturerIsolantite Manufacturing Co Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-296-1448 (NSN)
Federal Item NameINSULATOR,FEEDTHRU
Federal Supply Class5970 — Electrical Insulators
Screw Thread Quantity Per Inch And28 CENTER STUD
Electrical Termination Quantity1
Top Diameter0.750 INCHES NOMINAL
Height Above Mounting Surface5.844 INCHES NOMINAL
Outside Diameter1.750 INCHES NOMINAL
Surface FinishGLAZED OVERALL
MaterialCERAMIC OVERALL
Mounting Facility Type And Quantit12 UNTHREADED HOLE(S)
Thread Class And Location2A CENTER STUD
Screw Thread Diameter And Location0.250 CENTER STUD INCHES NOMINAL
Center Stud Length9.750 INCHES NOMINAL
Vendor Part Numbers5175793
Cancelled NSN5970-00-296-2987 (cancelled)
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 21846 available?
We can source 21846 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 21846 by Isolantite Manufacturing Co Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21846 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 21846?
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 21846?
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.