Lockheed Martin · Electronic Components
C8821-3-21
Clamp, Cable, Electrical Connector
Part NumberC8821-3-21
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-184-1500 (NSN)
Federal Item NameCLAMP,CABLE,ELECTRICAL CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Nominal Thread Size31.0 MILLIMETERS
Size Designation21
Body Diameter1.312 INCHES NOMINAL
Cable Opening Quantity1
Cable Opening Diameter0.469 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
Body Height1.323 INCHES MAXIMUM
Mounting Facility Type And Quantit1 THREADED COUPLING
Thread Tolerance Class6H INTERNAL
Thread Pitch In Millimeters1.00
Thread Series DesignatorISO M
Surface TreatmentNICKEL
Vendor Part NumbersG9191-21M
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 C8821-3-21 available?
We can source C8821-3-21 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 C8821-3-21 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If C8821-3-21 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 C8821-3-21?
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 C8821-3-21?
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.