Bae Systems Information And Electronic Systems Integration Inc. · Electronic Components
657904
Brush, Electrical Contact
Part Number657904
ManufacturerBae Systems Information And Electronic Systems Integration Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-284-6721 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Length0.438 INCHES NOMINAL
Thickness0.188 INCHES NOMINAL
Shunt Insulation Provision And Qua1 UNINSULATED
Material Document And ClassificatiSTACKPOLE CARBON CO,GRADE 52 MFR REF SINGLE MATERIAL RESPONSE
Contact Face StyleFLAT
Style DesignatorONE PIECE
MaterialELECTROGRAPHITIC
Terminal Type And Quantity1 ROUND CAP
Width0.250 INCHES NOMINAL
Pressure Spring Type And Quantity1 CYLINDRICAL
Body StyleRECTANGULAR COMMUTATOR
Vendor Part NumbersA9369
Cancelled NSN5977-00-317-2844 (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 657904 available?
We can source 657904 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 657904 by Bae Systems Information And Electronic Systems Integration Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 657904 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 657904?
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 657904?
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.