Lockheed Martin Corp. · Electronic Components
57A0242
Backshell, Electrical Connector
Part Number57A0242
ManufacturerLockheed Martin Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-257-3582 (NSN)
Federal Item NameBACKSHELL,ELECTRICAL CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Cable Opening Diameter0.940 INCHES MINIMUM AND 1.220 INCHES MAXIMUM
Cable Opening Quantity1
Thread Class2B
Thread DirectionRIGHT-HAND
MaterialALUMINUM ALLOY
Surface TreatmentCADMIUM AND CHROMATE
Style DesignatorANGLE TYPE W/CLAMP
Thread Quantity Per Inch18
Mounting Facility Type And Quantit1 THREADED COUPLING
Nominal Thread Size1.438 INCHES
Thread Series DesignatorUNEF
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 57A0242 available?
We can source 57A0242 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 57A0242 by Lockheed Martin Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 57A0242 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 57A0242?
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 57A0242?
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.