Whippany Actuation Systems · Electronic Components
1857M2
Holder, Electrical Contact Brush
Part Number1857M2
ManufacturerWhippany Actuation Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-556-2727 (NSN)
Federal Item NameHOLDER,ELECTRICAL CONTACT BRUSH
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Inside Thickness0.251 INCHES NOMINAL
Mounting Facility Quantity1
Mounting FacilityPRESS FIT
Brush Quantity Accommodated Per Ho1
Inside Length0.560 INCHES NOMINAL
Overall Length0.560 INCHES NOMINAL
Overall Diameter0.499 INCHES NOMINAL
Inside Width0.251 INCHES NOMINAL
MaterialSTEEL BOX
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 1857M2 available?
We can source 1857M2 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 1857M2 by Whippany Actuation Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1857M2 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 1857M2?
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 1857M2?
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.