Ideal Industries, Inc. · Electronic Components
L-4399-2
Brush, Electrical Contact
Part NumberL-4399-2
ManufacturerIdeal Industries, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-033-3652 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Radius0.500 INCHES NOMINAL
Terminal Diameter0.359 INCHES NOMINAL
Contact Face StyleCONCAVE
Terminal Type And Quantity1 ROUND CAP
Style DesignatorONE PIECE
Brush Shunt Length0.875 INCHES NOMINAL SINGLE SHUNT
Material Document And ClassificatiMORGANITE GRADE 5860 MFR REF SINGLE MATERIAL RESPONSE
Body StyleRECTANGULAR COMMUTATOR
Shunt Insulation Provision And Qua1 UNINSULATED
Spring Free Length0.460 INCHES NOMINAL
Thickness0.246 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
Cancelled NSN5977-00-033-3654 (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 L-4399-2 available?
We can source L-4399-2 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 L-4399-2 by Ideal Industries, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If L-4399-2 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 L-4399-2?
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 L-4399-2?
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.