Skil Corp. · Electronic Components
4858
Brush, Electrical Contact
Part Number4858
ManufacturerSkil Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-065-5600 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Width0.433 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
Length0.656 INCHES NOMINAL
Radius0.562 INCHES NOMINAL
Pressure Spring Type And Quantity1 CYLINDRICAL
Shunt Insulation Provision And Qua1 UNINSULATED
Material Document And ClassificatiUNITED STATES GRAPHITE CO,GRADE 235 MFR REF 1ST MATERIAL RESPONSE AND MORGANITE INC,GRADE EG801 MFR REF 2ND MATERIAL RES
Style DesignatorONE PIECE
Body StyleRECTANGULAR COMMUTATOR
MaterialCARBON
Thickness0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM
Spring Free Length1.000 INCHES NOMINAL
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 4858 available?
We can source 4858 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 4858 by Skil Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4858 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 4858?
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 4858?
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.