MIL-SPEC · Electronic Components
MS3100F28-21SY
Connector, Receptacle, Electrical
Part NumberMS3100F28-21SY
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-016-0153 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Environmental ProtectionMOISTURE PROOF AND SALT WATER RESISTANT AND VIBRATION RESISTANT
Distance Between Centerlines Of Mo1.557 INCHES MINIMUM AND 1.567 INCHES MAXIMUM
Distance From Mounting Shoulder To0.812 INCHES MINIMUM AND 0.843 INCHES MAXIMUM
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING STRAIN RELIEF
Overall Width1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM
Shell Surface TreatmentCADMIUM
Precious MaterialGOLD
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Thread Class2A
Shell TypeSOLID
Contact Surface TreatmentGOLD SINGLE MATING END SINGLE CONTACT GROUPING
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 MS3100F28-21SY available?
We can source MS3100F28-21SY 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 MS3100F28-21SY by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3100F28-21SY 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 MS3100F28-21SY?
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 MS3100F28-21SY?
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.