Instruments and Flight Research · Electronic Components
521947-1
Starter, Motor
Part Number521947-1
ManufacturerInstruments and Flight Research
AvailabilityAvailable to order — request a quote
Specifications
NSN6110-00-739-6692 (NSN)
Federal Item NameSTARTER,MOTOR
Federal Supply Class6110 — Electrical Control Equipment
Size Designator1
Switch Functional PositionsSTOP
Performance TypeMANUAL
Enclosure FeatureCARD CAGE
Control TypeLOCAL
National Electrical ManufacturersDESIGNED PER NEMA STD
Amp Size Rating30.0
Mounting ConfigurationTHREE NO. 8 SCR HOLES ON ISOSCELES TRIANGLE W/2 IN.BASE AND 3.250 IN.ALTITUDE
Actuation MethodMAGNETIC
Operating Voltage CharacteristicFULL
Overall Width4.188 INCHES MINIMUM AND 4.312 INCHES MAXIMUM
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 521947-1 available?
We can source 521947-1 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 521947-1 by Instruments and Flight Research obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 521947-1 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 521947-1?
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 521947-1?
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.