Abb Motors & Mechanical Inc. · Electronic Components
999
Brush, Electrical Contact
Part Number999
ManufacturerAbb Motors & Mechanical Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-280-6773 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Length1.125 INCHES NOMINAL
Contact Face StyleFLAT
Shunt Insulation Provision And Qua1 UNINSULATED
Material Document And ClassificatiSPEER CARBON CO,GR E45 MFR REF SINGLE MATERIAL RESPONSE
Style DesignatorONE PIECE
Terminal Type And Quantity1 STRAIGHT W/SLOT
MaterialELECTROGRAPHITIC
Shunt Position Designator7
Top StyleFLAT
Brush Shunt Length2.750 INCHES NOMINAL SINGLE SHUNT
Body StyleRECTANGULAR COMMUTATOR
Vendor Part NumbersDR1858E45SPEER
Included Contact Quantity1 SINGLE MATING END FIRST CONTACT GROUPING
Contact RemovabilityNONREMOVABLE SINGLE MATING END ALL CONTACT GROUPINGS
Polarization MethodMATING END
Contact Maximum Ac Voltage Rating125.0 SINGLE MATING END ALL CONTACT GROUPINGS
Contact Maximum Dc Voltage Rating125.0 SINGLE MATING END ALL CONTACT GROUPINGS
Shell TypeSOLID
Contact Maximum Current Rating In15.0 SINGLE MATING END ALL CONTACT GROUPINGS
Mating End Quantity1
ESD/EMICode A — ESD/EMI sensitive item
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 999 available?
We can source 999 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 999 by Abb Motors & Mechanical Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 999 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 999?
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 999?
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.