Isolantite Manufacturing Co Inc. · Electronic Components
306
Insulator, Bowl
Part Number306
ManufacturerIsolantite Manufacturing Co Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-253-6741 (NSN)
Federal Item NameINSULATOR,BOWL
Federal Supply Class5970 — Electrical Insulators
Identification Code ColorWHITE
Material Document And ClassificatiMIL-I-10 MIL SPEC SINGLE MATERIAL RESPONSE CLEANING WIRE
Top Hole Diameter0.563 INCHES NOMINAL
Bowl Diameter3.750 INCHES NOMINAL
Mounting Hole Diameter0.312 INCHES NOMINAL
Mounting Bolt Circle Diameter4.625 INCHES NOMINAL
Unable To DecodeUNABLE TO DECODE
Mounting Facility Type And Quantit6 UNTHREADED HOLE(S)
Height Above Mounting Surface2.687 INCHES NOMINAL
Flange Thickness0.500 INCHES NOMINAL
MaterialCERAMIC CLEANING WIRE
Vendor Part NumbersRE61A340TYPE61638, PW42-4
Cancelled NSN5970-00-187-0131 (cancelled)
Item Accommodated Trade Size1.000 INCHES FIRST END
End TypeDOUBLE BIT SCREW CLAMP SINGLE END
Conduit Type AccommodatedFLEXIBLE METALLIC FIRST END
Surface TreatmentZINC
Style DesignatorDOUBLE BITE SCREW CLAMP
Terminal Pattern ArrangementSINGLE ROW
Body StyleSTRIP TYPE
Board Overall Length4.500 INCHES
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 306 available?
We can source 306 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 306 by Isolantite Manufacturing Co Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 306 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 306?
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 306?
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.