Gems Sensors · Electronic Components
1901
Liquid Level Sensor
Part Number1901
ManufacturerGems Sensors
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-284-9108 (NSN)
Federal Item NameBRUSH,ELECTRICAL CONTACT
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Material Document And ClassificatiSUPERIOR CARBON PRODUCTS INC,GRADE 460 MFR REF SINGLE MATERIAL RESPONSE
MaterialELECTROGRAPHITIC
Terminal Type And Quantity1 STRAIGHT W/HOLE
Shunt Insulation Provision And Qua1 UNINSULATED
Style DesignatorONE PIECE
Contact Face StyleFLAT
Top StyleFLAT WITH RIGHT EDGE BEVELED
Body StyleRECTANGULAR COMMUTATOR
Width1.000 INCHES NOMINAL
Shunt Position Designator8
Length1.250 INCHES NOMINAL
Cancelled NSN6615-00-474-4413 (cancelled)
Mounting MethodTERMINAL SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Overall Height0.590 INCHES NOMINAL
Nuclear Hardness Critical FeatureHARDENED
Winding Quantity1 SINGLE COMPONENT
Criticality Code JustificationNHCF
Winding Conductor Size0.01594 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING
Overall Width0.330 INCHES NOMINAL
Winding Operating Current20.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
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 1901 available?
We can source 1901 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 1901 by Gems Sensors obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1901 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 1901?
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 1901?
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.