TE Connectivity · Standard Circular Connector
858576-4
Connector Body, Plug, Electrical
Part Number858576-4
ManufacturerTE Connectivity
LifecycleFactory Special Order
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-421-5998 (NSN)
Federal Item NameCONNECTOR BODY,PLUG,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Overall Length3.938 INCHES NOMINAL
Criticality Code JustificationFEAT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Environmental ProtectionMOISTURE RESISTANT AND SALT WATER RESISTANT AND VIBRATION RESISTANT
Insert MaterialPLASTIC SINGLE MATING END
Nominal Thread Size0.112 INCHES
Thread Quantity Per Inch40
Connector Locking MethodJACKSCREW-SOCKET
Contact Position Arrangement Style2 ROWS OF CONTACTS NON-INSERTED BOARD SINGLE MATING END
Mating End Quantity1
Polarization MethodJACKSCREW
Cancelled NSN5935-00-404-8908 (cancelled)
ESD/EMICode A — ESD/EMI sensitive item
Standard Pack Qty10
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 858576-4 available?
We can source 858576-4 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 858576-4 by TE Connectivity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 858576-4 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 858576-4?
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 858576-4?
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.