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MIL-SPEC  · Electronic Components

M9177/4-1

Jack, Telephone

Part NumberM9177/4-1
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameJACK,TELEPHONE
Federal Supply Class5935 — Connectors, Electrical
Thread Quantity Per Inch24
Accommodated Finger TypeFOUR CONDUCTOR, JUMBO SPHERICAL TIP SINGLE FINGER
MaterialCOPPER ALLOY SPRING
Surface TreatmentTIN SPRING
Nominal Thread Size0.688 INCHES
Mounting Facility Type And Quantit1 BUSHING
Finger Accommodation Length0.802 INCHES NOMINAL SINGLE FINGER
Test Data Document81349-MIL-C-9177 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DAT
Finger Accommodation Diameter0.282 INCHES MINIMUM AND 0.288 INCHES MAXIMUM SINGLE FINGER
Bushing Thru Hole Accommodation Di0.695 INCHES NOMINAL
Overall Length1.440 INCHES MAXIMUM
ESD/EMICode A — ESD/EMI sensitive item
Mating End Quantity1
Terminal TypeCOMPRESSION FIRST MATING END FIRST CONTACT GROUPING
Terminal LocationSIDE FIRST MATING END FIRST CONTACT GROUPING
Included Contact Quantity1 FIRST MATING END FIRST CONTACT GROUPING
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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 M9177/4-1 available?
We can source M9177/4-1 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 M9177/4-1 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M9177/4-1 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 M9177/4-1?
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 M9177/4-1?
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.