Winchester Interconnect · Electronic Components
SM42-20H
Backshell, Electrical Connector
Part NumberSM42-20H
ManufacturerWinchester Interconnect
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-686-5795 (NSN)
Federal Item NameBACKSHELL,ELECTRICAL CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Cable Opening Length0.590 INCHES NOMINAL
Thread DirectionRIGHT-HAND
MaterialALUMINUM
Surface TreatmentANODIZE
Style DesignatorHOOD, TOP OPENING W/CLAMP
Thread Class2B
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Cable Opening Quantity1
Center To Center Distance Between0.343 INCHES NOMINAL
Overall Width0.560 INCHES NOMINAL
Mounting Facility Type And Quantit4 THREADED HOLE(S)
Cancelled NSN5935-00-160-5228 (cancelled)
ESD/EMICode A — ESD/EMI sensitive item
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 SM42-20H available?
We can source SM42-20H 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 SM42-20H by Winchester Interconnect obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SM42-20H 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 SM42-20H?
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 SM42-20H?
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.