Allard Nazarian Group · Electronic Components
121-2K-901
Connector, Receptacle, Electrical
Part Number121-2K-901
ManufacturerAllard Nazarian Group
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-103-2613 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Unthreaded Mounting Hole Diameter0.406 INCHES NOMINAL
Distance From Mounting Shoulder To2.435 INCHES MINIMUM AND 2.440 INCHES MAXIMUM
Insert Position In Deg0.0
Connector Locking MethodEXTERNALLY THREADED SHELL
Polarization MethodKEY, MULTIPLE KEY GROOVE
Overall Diameter5.492 INCHES MINIMUM AND 5.498 INCHES MAXIMUM
Mating End Quantity1
Threaded Device TypeCOUPLING FACILITY
Criticality Code JustificationZZZY
Reference Number Differentiating CQUALITY ASSURANCE TESTED FOR SUBMARINE ANTENNA APPLICATION
Bushing Diameter3.500 INCHES MINIMUM AND 3.502 INCHES MAXIMUM
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 121-2K-901 available?
We can source 121-2K-901 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 121-2K-901 by Allard Nazarian Group obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 121-2K-901 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 121-2K-901?
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 121-2K-901?
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.