Raytheon · Electronic Components
21750
Brush, Electrical Contact
Part Number21750
ManufacturerRaytheon
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-165-0791 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Contact Face StyleCONCAVE
Terminal Type And Quantity1 FLAG W/HOLE
Brush Shunt Length1.250 INCHES NOMINAL SINGLE SHUNT
Shunt Insulation Provision And Qua1 UNINSULATED
MaterialELECTROGRAPHITIC
Body StyleRECTANGULAR COMMUTATOR
Material Document And ClassificatiSTACKPOLE CARBON CO,GR HH MFR REF SINGLE MATERIAL RESPONSE
Style DesignatorONE PIECE
Speed AdjustmentsSINGLE SPEED
Overall Width12.250 INCHES NOMINAL
Power Rating5.000 HORSEPOWER
Operating Voltage CharacteristicREDUCED
Enclosure FeatureDRIPPROOF
Mounting ConfigurationFOUR 9/16 IN. DIA MTG HOLES ON 10-1/2 IN. BY 21 IN. MTG CENTERS
Fuse Accommodation Quantity1
Actuation MethodMAGNETIC
Ambient Temp50.0 CELSIUS
Control TypeREMOTE
Voltage Reduction MethodRESISTOR
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 21750 available?
We can source 21750 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 21750 by Raytheon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21750 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 21750?
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 21750?
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.