Labinal Components and Systems Inc. Cinch Military Aerospace Div · Electronic Components
1221C-640
Connector, Plug, Electrical
Part Number1221C-640
ManufacturerLabinal Components and Systems Inc. Cinch Military Aerospace Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-344-8284 (NSN)
Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Overall Length1.040 INCHES NOMINAL
Precious MaterialGOLD
Contact Material Document And ClasQQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Contact Position Arrangement StyleNONSTD SINGLE MATING END
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Terminal TypeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
Precious Material And Weight0.105 GOLD GRAINS, TROY
Shell TypeSOLID
Included Contact Quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
Contact Surface Treatment DocumentMIL-G-45204,TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Polarization MethodKEY, MULTIPLE KEY GROOVE
Vendor Part NumbersJC-670-K89
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 1221C-640 available?
We can source 1221C-640 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 1221C-640 by Labinal Components and Systems Inc. Cinch Military Aerospace Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1221C-640 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 1221C-640?
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 1221C-640?
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.