ITT Cannon · Electronic Components
DB-51221-1
Retainer, Electrical Connector
Part NumberDB-51221-1
ManufacturerITT Cannon
AvailabilityIn stock — ready to ship
Specifications
NSN5935-01-126-1544 (NSN)
Federal Item NameRETAINER,ELECTRICAL CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Style DesignatorIRREGULAR
Overall Height0.484 INCHES MAXIMUM
Mounting Stud Length0.325 INCHES MAXIMUM SINGLE MOUNTING FACILITY
MaterialSTEEL COMP 301
Distance Between Mounting Facility1.847 INCHES MINIMUM AND 1.857 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Thread Class2A SINGLE MOUNTING FACILITY
Thread Quantity Per Inch40 SINGLE MOUNTING FACILITY
Surface TreatmentPASSIVATE
Overall Width0.484 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
Material Document And ClassificatiMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE
Vendor Part Numbers12265570-3
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 DB-51221-1 available?
Yes. RH Electronics has DB-51221-1 in stock at our Oceanside, California facility — inspected on receipt and ready to ship. Request a quote for pricing; we usually reply within a few hours.
Is DB-51221-1 by ITT Cannon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If DB-51221-1 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 DB-51221-1?
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 DB-51221-1?
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.