Eaton Corp. Opns & Technical Center · Electronic Components
81-1840-2
Contact Assembly, Electrical
Part Number81-1840-2
ManufacturerEaton Corp. Opns & Technical Center
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-00-258-7160 (NSN)
Federal Item NameCONTACT ASSEMBLY,ELECTRICAL
Federal Supply Class5999 — Miscellaneous Electrical Components
Contact Identifying Number AssignePART NO; 21-308
Overall Length3.050 INCHES NOMINAL
Government Agency Controlling ContCUTLER-HAMMER,INC
Overall Width1.180 INCHES NOMINAL
Contact Item Name Assigned By GoveCONTACT PLATE ASSY
Structural DesignNONPILE-UP
Overall Height1.180 INCHES NOMINAL
Contact Quantity2
Mounting ConfigurationTWO 0.138 IN. DIA MTG HOLES SPACED 1.375 IN. C TO C
Vendor Part Numbers5600ITEM3, 6047ITEM2, 5690ITEM2, 1154MITEM2, 1515PITEM2, 90193W1ITEM3
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 81-1840-2 available?
We can source 81-1840-2 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 81-1840-2 by Eaton Corp. Opns & Technical Center obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 81-1840-2 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 81-1840-2?
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 81-1840-2?
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.