3M · Electronic Components
4270-5R
COVER CIRCULAR .313" ID 1000PCS
Part Number4270-5R
Manufacturer3M
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-304-4148 (NSN)
Federal Item NameCOVER,ELECTRICAL CONNECTOR
MaterialPLASTIC
Overall Diameter0.640 INCHES MINIMUM AND 0.700 INCHES MAXIMUM
Size Designation4
Body Height0.500 INCHES NOMINAL
Mounting Facility Type And Quantit1 PRESS FIT
Style DesignatorEXTERNAL BAYONET
Federal Supply Class5935 — Connectors, Electrical
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 4270-5R available?
We can source 4270-5R 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 4270-5R by 3M obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4270-5R 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 4270-5R?
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 4270-5R?
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.