MIL-SPEC · Electronic Components
M28876/5B12S3
Connector, Receptacle, Fiber Optic
Part NumberM28876/5B12S3
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN6060-01-509-4906 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,FIBER OPTIC
Federal Supply Class6060 — Fiber Optic Interconnectors
Shell MaterialALUMINUM ALLOY OR STEEL CORROSION RESISTING
Shell TypeSOLID
Contact Position Arrangement Style22-2 SINGLE MATING END
Optical Fiber Attachment MethodCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
Test Data Document81349-MIL-C-28876 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Connector Locking MethodSHELL TWISTLOCK
Polarization MethodKEY OR MULTIPLE KEY
Overall Length6.150 INCHES NOMINAL
Mating End Quantity1
Threaded Device TypeBACK SHELL
Overall Diameter1.085 INCHES NOMINAL
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 M28876/5B12S3 available?
We can source M28876/5B12S3 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 M28876/5B12S3 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M28876/5B12S3 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 M28876/5B12S3?
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 M28876/5B12S3?
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.