Contraves Inc. · Electronic Components
8031-51
Ring Assembly, Electrical Contact
Part Number8031-51
ManufacturerContraves Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-01-144-6455 (NSN)
Federal Item NameRING ASSEMBLY,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Contact Ring Quantity166
Overall Length10.938 INCHES NOMINAL
Overall Diameter2.437 INCHES MINIMUM AND 2.438 INCHES MAXIMUM
Mounting ConfigurationTWO HOLES 0.1248 IN.DIA
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 8031-51 available?
We can source 8031-51 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 8031-51 by Contraves Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 8031-51 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 8031-51?
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 8031-51?
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.