Northrop Grumman Systems Corporation · Electronic Components
577R900H12
Resistor, Variable, Nonwire Wound,
Part Number577R900H12
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-056-4295 (NSN)
Federal Item NameRESISTOR,VARIABLE,NONWIRE WOUND,
Federal Supply Class5905 — Resistors
Temp Coefficient Of Resistance Per-400.0 TO 400.0 ALL SECTIONS
Rotary Actuator Travel In Angular360.0 NOMINAL
Actuator Travel Control FeatureCONTINUOUS MOTION
Ambient Temp In Deg Celsius Per Se100.0 ALL SECTIONS
Fixed Tap Quantity Per Section3 2ND SECTION AND 3 4TH SECTION AND 1 5TH SECTION AND 2 6TH SECTION AND 1 7TH SECTION AND 2 8TH SECTION
Resistance Tolerance Per Section I-10.0 TO 10.0 ALL SECTIONS
Power Dissipation Rating Per Secti1.0 FREE AIR ALL SECTIONS
Tap Location Tolerance Per Section-2.0 TO 2.0 DEG ANGULAR ROTATION ALL SECTIONS
Test Data Document97942-577R900 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURE
Electrical Resistance Per Section10.0 KILOHMS 1ST SECTION AND 7.5 KILOHMS 2ND SECTION AND 30.0 KILOHMS 3RD SECTION AND 7.5 KILOHMS 4TH SECTION AND 20.0 K
Terminal Type And Quantity45 TURRET
ESD/EMICode B — ESD/EMI sensitive item
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 577R900H12 available?
We can source 577R900H12 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 577R900H12 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 577R900H12 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 577R900H12?
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 577R900H12?
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.