Rtx Corporation · Temperature Sensors - Industrial
21-653
Dummy Connector, Receptacle
Part Number21-653
ManufacturerRtx Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-222-7319 (NSN)
Federal Item NameDUMMY CONNECTOR,RECEPTACLE
Federal Supply Class5935 — Connectors, Electrical
Mating End Quantity1
Overall Height1.281 INCHES NOMINAL
Thread Series DesignatorUNEF
Thread DirectionRIGHT-HAND
Shell MaterialALUMINUM
Nominal Thread Size1.000 INCHES
Shell Surface TreatmentCADMIUM AND CHROMATE
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
Thread Class2A
Unthreaded Mounting Hole Diameter0.062 INCHES NOMINAL
Shell Surface Treatment Document AQQ-P-416,TY II,CLASS 3 FED SPEC ALL TREATMENT RESPONSES
Vendor Part NumbersCA2182-18, 1628A81286, 21-8081800, 5M227-16S
Cancelled NSN5935-00-303-3465 (cancelled)
Standard Pack Qty1
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 21-653 available?
We can source 21-653 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 21-653 by Rtx Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21-653 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 21-653?
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 21-653?
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.