Stewart Avionics Inc. · Electronic Components
A9570
Brush, Electrical Contact
Part NumberA9570
ManufacturerStewart Avionics Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-724-9382 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Thickness0.281 INCHES NOMINAL
Top StyleFLAT
Terminal Type And Quantity1 STRAIGHT W/HOLE
MaterialELECTROGRAPHITIC
Shunt Insulation Provision And Qua1 INSULATED
Material Document And ClassificatiHELWIG CARBON PRODUCTS CO. GRADE E-H STYLE Q1 OR PURE CARBON CO. GRADE L-51 MFR REF 1ST MATERIAL RESPONSE
Style DesignatorONE PIECE
Terminal Hole Diameter0.203 INCHES NOMINAL
Brush Shunt Length4.016 INCHES NOMINAL SINGLE SHUNT
Length1.109 INCHES NOMINAL
Width0.875 INCHES NOMINAL
Vendor Part NumbersPD5359
Cancelled NSN5977-00-843-6227 (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 A9570 available?
We can source A9570 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 A9570 by Stewart Avionics Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A9570 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 A9570?
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 A9570?
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.