MIL-SPEC · Electronic Components
MS3100F28-21P
Connector, Receptacle, Electrical
Part NumberMS3100F28-21P
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-021-4608 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Unthreaded Mounting Hole Diameter0.142 INCHES MINIMUM AND 0.157 INCHES MAXIMUM
Threaded Device TypeCOUPLING FACILITY
Distance From Mounting Shoulder To0.812 INCHES MINIMUM AND 0.843 INCHES MAXIMUM
Precious Material And Weight0.037 GOLD GRAINS, TROY
Contact Position Arrangement Style28-21 SINGLE MATING END
Shell Surface TreatmentCADMIUM
Contact Maximum Current Rating In22.0 SINGLE MATING END SINGLE CONTACT GROUPING
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING STRAIN RELIEF
Overall Width2.000 INCHES NOMINAL
Nominal Thread Length0.625 INCHES
Environmental ProtectionMOISTURE RESISTANT AND SALT WATER RESISTANT AND VIBRATION RESISTANT
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 MS3100F28-21P available?
We can source MS3100F28-21P 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 MS3100F28-21P by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3100F28-21P 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 MS3100F28-21P?
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 MS3100F28-21P?
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.