MIL-SPEC · Electronic Components
M28840/3HW
Backshell, Electrical Connector
Part NumberM28840/3HW
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-447-2749 (NSN)
Federal Item NameBACKSHELL,ELECTRICAL CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Overall Length2.529 INCHES NOMINAL
Distance From Centerline To Cable1.634 INCHES NOMINAL
Thread Series DesignatorUN
Surface TreatmentCADMIUM AND NICKEL
MaterialALUMINUM ALLOY LOCATION NOT OTHERWISE SPECIFIED
Nominal Thread Size1.875 INCHES
Body Diameter2.143 INCHES NOMINAL
Body Angle In Deg45.0
Thread DirectionRIGHT-HAND
Overall Width2.046 INCHES NOMINAL
Furnished ItemsCLAMP
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 M28840/3HW available?
We can source M28840/3HW 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 M28840/3HW by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M28840/3HW 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 M28840/3HW?
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 M28840/3HW?
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.