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Technical Data Sheet
20477 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include material: STEEL, body_width: 2.060 INCHES NOMINAL IN, body_height: 2.000 INCHES NOMINAL IN, body_length: 2.500 INCHES NOMINAL IN, rating_method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING, inclosure_type: OPEN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-220-9931, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
20477
NSN: 5950-00-220-9931
FSC: 5950
CAGE: 08742 — ASTEC AMERICA INC. (USA)
SPECIFICATIONS
materialSTEEL
body_width2.060 INCHES NOMINAL IN
body_height2.000 INCHES NOMINAL IN
body_length2.500 INCHES NOMINAL IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
inclosure_typeOPEN
inductance_typeSWINGING
inside_diameter1.203 INCHES NOMINAL IN
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating114.0 HERTZ MINIMUM AND 126.0 HERTZ MAXIMUM SINGLE COMPONENT
outside_diameter1.562 INCHES NOMINAL IN
winding_quantity1 SINGLE COMPONENT
NSN5950-00-220-9931
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN 20477 MFR RESISTOR,VARIABLE,NONW
KEY FEATURES
MOUNTING FACILITY QUANTITY: 4 SINGLE GROUP
BODY LENGTH: 2.500 INCHES NOMINAL IN
FREQUENCY RATING: 114.0 HERTZ MINIMUM AND 126.0 HERTZ MAXIMUM SINGLE COMPONENT
INCLOSURE TYPE: OPEN
WINDING QUANTITY: 1 SINGLE COMPONENT
INDUCTANCE RATING: 22.70 MILLIHENRIES MINIMUM AND 27.30 MILLIHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING
BODY HEIGHT: 2.000 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING FACILITY QUANTITY4 SINGLE GROUP
BODY LENGTH2.500 INCHES NOMINAL IN
FREQUENCY RATING114.0 HERTZ MINIMUM AND 126.0 HERTZ MAXIMUM SINGLE COMPONENT
INCLOSURE TYPEOPEN
WINDING QUANTITY1 SINGLE COMPONENT
INDUCTANCE RATING22.70 MILLIHENRIES MINIMUM AND 27.30 MILLIHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING
BODY HEIGHT2.000 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
MOUNTING METHODFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
BODY WIDTH2.060 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
860798Interchangeable
interchangeable cross-reference
interchangeable
4710847Interchangeable
interchangeable cross-reference
interchangeable
20-477Interchangeable
interchangeable cross-reference
interchangeable
10201630Interchangeable
interchangeable cross-reference
interchangeable
2247Interchangeable
interchangeable cross-reference
interchangeable
446-0851-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20477?
20477 is a RESISTOR,VARIABLE,NONWIRE WOUND,.
What parts can replace 20477?
There are 9 known substitutes for 20477: 860798, 4710847, 20-477 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20477?
20477 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-220-9931. This indicates validated use in U.S. government and defense supply chains.
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