MIL-SPEC · Electronic Components
M28859/1-04
Contact, Electrical
Part NumberM28859/1-04
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-187-8099 (NSN)
Federal Item NameCONTACT,ELECTRICAL
Federal Supply Class5999 — Miscellaneous Electrical Components
Precious Material And Weight0.005 GOLD GRAINS, TROY
Pin Length0.365 INCHES NOMINAL
Overall Length0.725 INCHES NOMINAL
Mounting MethodFORCE FIT
Material Document And ClassificatiQQ-C-533 MIL SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT
Style DesignatorMODULE BOARD CONTACT
Slot Accommodation Width0.069 INCHES MAXIMUM
Pin Diameter0.025 INCHES NOMINAL
Test Data Document81349-MIL-C-28859 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Surface Treatment Document And ClaMIL-G-45204 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290 FED SPEC 2ND TREATMENT RESPONSE BODY AND CONTACT
Overall Width0.070 INCHES NOMINAL
Cancelled NSN5999-01-187-0420 (cancelled)
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 M28859/1-04 available?
We can source M28859/1-04 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 M28859/1-04 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M28859/1-04 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 M28859/1-04?
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 M28859/1-04?
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.