MIL-SPEC · Electronic Components
D38999/33M21N
Cover, Electrical Connector
Part NumberD38999/33M21N
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-462-9319 (NSN)
Federal Item NameCOVER,ELECTRICAL CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Style DesignatorINTERNAL THREAD W/CHAIN OR ROPE
Thread Class2B
Thread Series DesignatorSPECIAL ACME
MaterialRUBBER SILICONE SEAL
Nominal Thread Size0.750 INCHES
Overall Diameter42.0 MILLIMETERS MAXIMUM
Body Height23.0 MILLIMETERS MAXIMUM
Mounting Facility Type And Quantit1 THREADED COUPLING
Size Designation11
Thread DirectionRIGHT-HAND
Seal TypeGASKET
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 D38999/33M21N available?
We can source D38999/33M21N 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 D38999/33M21N by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If D38999/33M21N 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 D38999/33M21N?
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 D38999/33M21N?
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.