Prestolite Electric · Electronic Components
MAY12A
Brush, Electrical Contact
Part NumberMAY12A
ManufacturerPrestolite Electric
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-214-0628 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Top StyleFLAT WITH RECTANGULAR SLOT
MaterialMETAL GRAPHITE
Contact Face StyleFLAT
Brush Shunt Length3.125 INCHES NOMINAL SINGLE SHUNT
Width0.875 INCHES NOMINAL
Thickness0.211 INCHES NOMINAL
Shunt Position Designator10
Slot Depth0.040 INCHES NOMINAL
Slot Width0.250 INCHES NOMINAL
Body StyleRECTANGULAR COMMUTATOR
Material Document And ClassificatiELECTRIC AUTO LIFE CO,GR 9A MFR REF SINGLE MATERIAL RESPONSE
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 MAY12A available?
We can source MAY12A 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 MAY12A by Prestolite Electric obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MAY12A 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 MAY12A?
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 MAY12A?
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.