Wire-Pro · Electronic Components
89-128-2SX
Connector, Plug, Electrical
Part Number89-128-2SX
ManufacturerWire-Pro
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-257-7812 (NSN)
Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Thread DirectionRIGHT-HAND
Threaded Device TypeCOUPLING FACILITY
Mating End Quantity1
Overall Diameter2.031 INCHES NOMINAL
Environmental ProtectionWATERTIGHT
Overall Length2.625 INCHES NOMINAL
Contact Maximum Current Rating In41.0 SINGLE MATING END FIRST CONTACT GROUPING
Included Contact TypeROUND SOCKET SINGLE MATING END ALL CONTACT GROUPINGS
Connector Locking MethodINTERNALLY THREADED COUPLING RING
Nominal Thread Size1.750 INCHES
Precious Material And LocationCONTACT SURFACES GOLD
Vendor Part Numbers891-128-2SX
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 89-128-2SX available?
We can source 89-128-2SX 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 89-128-2SX by Wire-Pro obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 89-128-2SX 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 89-128-2SX?
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 89-128-2SX?
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.