Northrop Grumman Systems Corporation · Electronic Components
900308-3
Switch, Stepping
Part Number900308-3
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-020-9253 (NSN)
Federal Item NameSWITCH,STEPPING
Federal Supply Class5930 — Switches
Overall Length5.090 INCHES NOMINAL
Bridging Level Quantity1
Magnetic Coil Quantity1
Drive TypeDIRECT
Mounting ConfigurationFOUR NO. 8(0.164 IN.)-32 THD MTG STUDS ON 1.500 IN. BY 4.312 IN. MTG CENTERS
Auxiliary Interrupter Contact Arra13
Bank Level Quantity7
Contact Quantity Per Bank Level10
Control MethodSELF
Nonbridging Level Quantity6
Wiper Contact Quantity Per Bank Le3
Accuracy In Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Nuclear Hardness Critical FeatureNONHARDENED
Mounting Hole Diameter0.138 INCHES NOMINAL
Meter Body Diameter Behind Mountin2.800 INCHES MAXIMUM
Dial Scale Marking ColorBLACK AND BLUE AND WHITE SINGLE INDICATOR ALL RANGES
Scale Graduation TypeLINEAR SINGLE INDICATOR ALL RANGES
Circuit Attachment Method And Quan2 SOLDER LUG
FSC Application DataTEST SET,ELECT. EQUIP.
Furnished Items And QuantityNUT 3; WASHER 3
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 900308-3 available?
We can source 900308-3 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 900308-3 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 900308-3 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 900308-3?
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 900308-3?
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.