Boeing · Electronic Components
ST5M1377T2
Backshell, Electrical Connector
Part NumberST5M1377T2
ManufacturerBoeing
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-540-9050 (NSN)
Federal Item NameBACKSHELL,ELECTRICAL CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Overall Length0.455 INCHES MINIMUM AND 0.465 INCHES MAXIMUM
Style DesignatorSTRAIGHT SHAPE SOLID TYPE
Mounting Facility Type And Quantit1 THREADED COUPLING
MaterialCOPPER ALLOY
Thread Series DesignatorUNEF
Nominal Thread Size0.438 INCHES
Thread Class2B
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch28
Overall Diameter0.724 INCHES MINIMUM AND 0.730 INCHES MAXIMUM
Vendor Part Numbers357-8986-020
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 ST5M1377T2 available?
We can source ST5M1377T2 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 ST5M1377T2 by Boeing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ST5M1377T2 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 ST5M1377T2?
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 ST5M1377T2?
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.