Prestolite Electric · Electronic Components
MH-54
Brush, Electrical Contact
Part NumberMH-54
ManufacturerPrestolite Electric
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-233-1049 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Thickness0.281 INCHES NOMINAL
Distance From Center Of Hole To Ou0.437 INCHES NOMINAL
Width0.875 INCHES NOMINAL
Hole Diameter0.172 INCHES NOMINAL
Style DesignatorONE PIECE
Contact Face StyleCONCAVE ON BEVEL
Radius0.750 INCHES NOMINAL
Length0.781 INCHES NOMINAL
Distance From Brush Top To Hole Ce0.156 INCHES NOMINAL
Bevel Angle51.0 DEGREES NOMINAL
Material Document And ClassificatiSTACKPOLE CARBON CO GRADE 1654 MFR REF SINGLE MATERIAL RESPONSE
Cancelled NSN5977-00-376-8277 (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 MH-54 available?
We can source MH-54 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 MH-54 by Prestolite Electric obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MH-54 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 MH-54?
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 MH-54?
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.