Amphenol · Electronic Components
21-900423-015
Backshell, Electrical Connector
Part Number21-900423-015
ManufacturerAmphenol
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-394-4593 (NSN)
Federal Item NameBACKSHELL,ELECTRICAL CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
MaterialSTEEL
Style DesignatorSTRAIGHT SHAPE SOLID TYPE
Surface TreatmentCADMIUM
Cable Opening Quantity1
Mounting Facility Type And Quantit1 BAYONET LOCK
Cable Opening Diameter1.101 INCHES NOMINAL
Overall Length2.100 INCHES MAXIMUM
Size Designation17
Overall Diameter1.556 INCHES NOMINAL
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 21-900423-015 available?
We can source 21-900423-015 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 21-900423-015 by Amphenol obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21-900423-015 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 21-900423-015?
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 21-900423-015?
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.