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MIL-SPEC  · Electronic Components

MS3437B33A

Backshell, Electrical Connector

Part NumberMS3437B33A
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameBACKSHELL,ELECTRICAL CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Thread Series DesignatorUNEF
Cable Opening Diameter0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
Surface TreatmentCADMIUM AND NICKEL
Test Data Document81349-MIL-C-5015 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DAT
Overall Height1.511 INCHES MINIMUM AND 1.551 INCHES MAXIMUM
Mounting Facility Type And Quantit1 THREADED COUPLING
Size Designation20
Nominal Thread Size1.188 INCHES
Seal TypeGROMMET AND PREFORMED PACKING
Thread Class2B
Overall Width1.345 INCHES MAXIMUM
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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 MS3437B33A available?
We can source MS3437B33A 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 MS3437B33A by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3437B33A 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 MS3437B33A?
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 MS3437B33A?
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.