Smiths Aerospace, Inc., Electronic Systems-Grand Rapids · Electronic Components
21861
Insulator, Plate
Part Number21861
ManufacturerSmiths Aerospace, Inc., Electronic Systems-Grand Rapids
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-110-9775 (NSN)
Federal Item NameINSULATOR,PLATE
Federal Supply Class5970 — Electrical Insulators
Style DesignatorFLAT, RECTANGULAR
MaterialMICA OVERALL
First Hole Diameter0.113 INCHES MINIMUM AND 0.118 INCHES MAXIMUM
Overall Length0.730 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
Overall Width0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM
Overall Height0.002 INCHES MINIMUM AND 0.003 INCHES MAXIMUM
Enclosure FeatureDRIPPROOF-15 DEG
Terminal Type And Quantity2 WIRE LEAD
PhaseSINGLE OUTPUT
Connection Type And Voltage Rating115.0 LINE TO LINE SINGLE OUTPUT
Duty CycleCONTINUOUS
Cooling MethodSELF-VENTILATED
Temp Rating40.0 AMBIENT CELSIUS
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S)
Frequency In Hertz60.0 OUTPUT
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 21861 available?
We can source 21861 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 21861 by Smiths Aerospace, Inc., Electronic Systems-Grand Rapids obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21861 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 21861?
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 21861?
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.