● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
SPECIALTY TAPES  · Electronic Components

56-3

Specialty Tapes Tunnel Tape, Roll Size: 3 X 40 Yards, Color: Black/Yellow

Part Number56-3
ManufacturerSPECIALTY TAPES
AvailabilityAvailable to order — request a quote

Specifications

Additional NSNs6160-00-321-2281
Federal Item NameINSULATOR,PIN
MaterialCERAMIC OVERALL
Overall Height7.378 INCHES NOMINAL
Special FeaturesOND CONDUCTOR GROOVE AND 21.00 IN LEAKAGE DISTANCE
Top Wire Groove Radius0.625 INCHES NOMINAL
Pinhole Diameter1.375 INCHES NOMINAL
Radial Groove Radius0.531 INCHES NOMINAL
Pin Hole Depth4.500 INCHES NOMINAL
Style DesignatorPETTICOAT
Outside Diameter10.000 INCHES NOMINAL
Federal Supply Class5970 — Electrical Insulators And Insulating Materials
Overall Length3.000 INCHES NOMINAL
Diameter0.313 INCHES NOMINAL
Length1.500 INCHES NOMINAL
Mounting Facility Type And Quantit2 CLAMP SINGLE MOUNTING FACILITY
Overall Width1.125 INCHES NOMINAL
Cancelled NSN6140-00-394-2521 (cancelled)
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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

Frequently asked

Is 56-3 available?
We can source 56-3 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 56-3 by SPECIALTY TAPES obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 56-3 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 56-3?
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 56-3?
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.