Northrop Grumman Systems Corporation · Electronic Components
581R420H02
Cover, Electrical Connector
Part Number581R420H02
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-101-7890 (NSN)
Federal Item NameCOVER,ELECTRICAL CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Surface TreatmentPASSIVATE
Attachment Feature Length2.000 INCHES NOMINAL
Furnished ItemsBEAD CHAIN
Body Height0.440 INCHES NOMINAL
Mounting Facility Type And Quantit1 THREADED COUPLING
Thread Class2B
Style DesignatorINTERNAL THREAD W/CHAIN OR ROPE
Eye Inside Diameter0.130 INCHES NOMINAL
Nominal Thread Size0.250 INCHES
Thread Quantity Per Inch36
MaterialRUBBER SILICONE SEAL
Vendor Part Numbers2021-1310-07, 2021-1310-02
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 581R420H02 available?
We can source 581R420H02 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 581R420H02 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 581R420H02 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 581R420H02?
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 581R420H02?
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.