General Dynamics Mission Systems, Inc. · Electronic Components
55994-2
Brush, Electrical Contact
Part Number55994-2
ManufacturerGeneral Dynamics Mission Systems, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-178-8758 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Shunt Insulation Provision And Qua1 UNINSULATED
Brush Shunt Length1.078 INCHES NOMINAL SINGLE SHUNT
Width0.250 INCHES NOMINAL
Length0.531 INCHES NOMINAL
Thickness0.093 INCHES NOMINAL
Terminal Diameter0.312 INCHES NOMINAL
Pressure Spring Type And Quantity1 CYLINDRICAL
Style DesignatorONE PIECE
Terminal Type And Quantity1 ROUND CAP W/EARS
Shunt Position Designator5
MaterialGRAPHITE
Cancelled NSN5977-00-188-2194 (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 55994-2 available?
We can source 55994-2 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 55994-2 by General Dynamics Mission Systems, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 55994-2 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 55994-2?
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 55994-2?
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.