Hamilton Sundstrand Corporation · Electronic Components
540281
Ring, Electrical Contact
Part Number540281
ManufacturerHamilton Sundstrand Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-615-7679 (NSN)
Federal Item NameRING,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Overall Diameter19.320 INCHES NOMINAL
MaterialCOPPER
Mounting Configuration12 STUDS 0.190THRDS EQUALLY SPACED ON 18.940 IN. DIA BC
Overall Height1.600 INCHES NOMINAL
Cancelled NSN5977-01-345-3418 (cancelled)
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 540281 available?
We can source 540281 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 540281 by Hamilton Sundstrand Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 540281 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 540281?
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 540281?
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.