Abb Installation Products Inc. · Electronic Components
77M
Bushing, Electrical Conductor
Part Number77M
ManufacturerAbb Installation Products Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5975-00-615-7598 (NSN)
Federal Item NameBUSHING,ELECTRICAL CONDUCTOR
Federal Supply Class5975 — Electrical Hardware and Supplies
Thread Class2A
Hazardous Locations EnvironmentalHEAT RESISTANT
MaterialPLASTIC PHENOLIC BODY
Style DesignatorTHREADED
Thread SeriesNPT
Nominal Thread Size3.000 INCHES
Conduit Trade Size Accommodated3.000
Base Thread LocationEXTERNAL
Body Outside Diameter4.000 INCHES NOMINAL
Thread Quantity Per Inch8
Accommodation Hole Inside Diameter2.937 INCHES NOMINAL
Cancelled NSN5975-00-475-9401 (cancelled)
Test Type For Which DesignedCONTINUITY; VOLTAGE; RESISTANCE
Dc Voltage Rating9.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
Height1.250 INCHES NOMINAL
Enclosure FeatureSINGLE ITEM W/HOUSING
Width2.000 INCHES NOMINAL
Electrical Power Source RelationshOPERATING
Length2.250 INCHES NOMINAL
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 77M available?
We can source 77M 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 77M by Abb Installation Products Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 77M 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 77M?
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 77M?
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.