Cooper Interconnect, Inc. · Electronic Components
BLRCW21
Cover, Electrical Connector
Part NumberBLRCW21
ManufacturerCooper Interconnect, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-277-5253 (NSN)
Federal Item NameCOVER,ELECTRICAL CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Overall Diameter1.579 INCHES MAXIMUM
Body Height1.375 INCHES MAXIMUM
Style DesignatorINTERNAL BAYONET W/CHAIN OR ROPE
Surface TreatmentCADMIUM
MaterialALUMINUM ALLOY
Attachment Feature Length5.000 INCHES NOMINAL
Mounting Facility Type And Quantit1 PRESS FIT
Size Designation21
Eye Inside Diameter0.140 INCHES NOMINAL
Furnished ItemsLINK CHAIN
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 BLRCW21 available?
We can source BLRCW21 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 BLRCW21 by Cooper Interconnect, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If BLRCW21 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 BLRCW21?
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 BLRCW21?
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.