Isolantite Manufacturing Co Inc. · Electronic Components
1870
Insulator, Plate
Part Number1870
ManufacturerIsolantite Manufacturing Co Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-155-8734 (NSN)
Federal Item NameINSULATOR,PLATE
Federal Supply Class5970 — Electrical Insulators
Second Hole Spacing0.250 INCHES NOMINAL
First Hole Spacing0.250 INCHES NOMINAL
Surface FinishGLAZED OVERALL
MaterialCERAMIC OVERALL
Style DesignatorFLAT, RECTANGULAR
Third Hole Spacing0.750 INCHES NOMINAL
First Hole Diameter0.141 INCHES NOMINAL
Overall Height0.156 INCHES NOMINAL
Overall Length1.250 INCHES NOMINAL
Second Hole Diameter0.141 INCHES NOMINAL
Overall Width0.500 INCHES NOMINAL
Identification Code ColorWHITE
Winding Operating Voltage382.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Width3.000 INCHES NOMINAL
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting Facility Quantity2 SINGLE GROUP
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Body Length3.500 INCHES NOMINAL
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Nominal Thread Size0.164 INCHES SINGLE GROUP
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 1870 available?
We can source 1870 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 1870 by Isolantite Manufacturing Co Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1870 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 1870?
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 1870?
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.