Miraj Corp. · Electronic Components
MBR74
Brush, Electrical Contact
Part NumberMBR74
ManufacturerMiraj Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-01-280-0364 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Body StyleRECTANGULAR COMMUTATOR
Shunt Insulation Provision And Qua2 UNINSULATED
Style DesignatorONE PIECE
Material Document And ClassificatiMIRAJ CARBON GRADE 89 MFR REF SINGLE MATERIAL RESPONSE
MaterialCOPPER AND GRAPHITE
Length2.000 INCHES NOMINAL
Contact Face StyleCONCAVE ON BEVEL
Width1.230 INCHES MINIMUM AND 1.243 INCHES MAXIMUM
Radius15.000 INCHES NOMINAL
Thickness0.989 INCHES MINIMUM AND 0.993 INCHES MAXIMUM
Brush Shunt Length5.000 INCHES MINIMUM AND 5.400 INCHES MAXIMUM ALL SHUNTS
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 MBR74 available?
We can source MBR74 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 MBR74 by Miraj Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MBR74 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 MBR74?
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 MBR74?
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.