Eaton Aerospace, LLC · Electronic Components
33A57-1
Brush, Electrical Contact
Part Number33A57-1
ManufacturerEaton Aerospace, LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-388-0571 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Brush Shunt Length2.125 INCHES NOMINAL SINGLE SHUNT
Shunt Insulation Provision And Qua1 UNINSULATED
Material Document And ClassificatiUNION CARBIDE CORP,GR F28 MFR REF SINGLE MATERIAL RESPONSE
Pressure Spring Type And Quantity1 CYLINDRICAL
Top StyleCYLINDRICAL HEAD
Contact Face StyleFLAT
MaterialELECTROGRAPHITIC
Style DesignatorONE PIECE
Length1.313 INCHES NOMINAL
Shunt Position Designator5
Head Diameter0.240 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 33A57-1 available?
We can source 33A57-1 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 33A57-1 by Eaton Aerospace, LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 33A57-1 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 33A57-1?
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 33A57-1?
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.