Raytheon · Electronic Components
749120-4
Backshell, Electrical Connector
Part Number749120-4
ManufacturerRaytheon
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-195-3084 (NSN)
Federal Item NameBACKSHELL,ELECTRICAL CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Cable Opening Width0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM
Unthreaded Mounting Hole Diameter0.131 INCHES MINIMUM AND 0.141 INCHES MAXIMUM
Thread Class2A
Overall Length2.703 INCHES MINIMUM AND 2.733 INCHES MAXIMUM
Distance Between Mounting Facility2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM
Surface TreatmentCADMIUM OR ZINC
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Cable Opening Length1.360 INCHES MINIMUM AND 1.390 INCHES MAXIMUM
Overall Width0.469 INCHES MINIMUM AND 0.514 INCHES MAXIMUM
Nominal Thread Size0.112 INCHES
Style DesignatorHOOD TYPE W/FLANGE
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 749120-4 available?
We can source 749120-4 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 749120-4 by Raytheon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 749120-4 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 749120-4?
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 749120-4?
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.