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42457A — RESISTOR,VARIABLE,WIRE WOUND,PRE

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

42457A: RESISTOR,VARIABLE,WIRE WOUND,PRE.

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include body_style: CYLINDRICAL SERVO MOUNTED, body_length: 1.300 INCHES MAXIMUM IN, shaft_style: ROUND, bearing_type: SLEEVE SHAFT, pilot_length: 0.0620 INCHES NOMINAL IN, shaft_length: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5905-00-106-1417, 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
MRO→ MRO_GENERAL→ 42457A
NSN: 5905-00-106-1417
FSC: 5905 — Resistor
CAGE: 92755 — NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
body_styleCYLINDRICAL SERVO MOUNTED
body_length1.300 INCHES MAXIMUM IN
shaft_styleROUND
bearing_typeSLEEVE SHAFT
pilot_length0.0620 INCHES NOMINAL IN
shaft_length0.500 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
body_diameter0.875 INCHES NOMINAL IN
pilot_diameter0.7500 INCHES MAXIMUM IN
shaft_diameter0.1246 INCHES MINIMUM AND 0.1249 INCHES MAXIMUM IN
undercut_width0.0620 INCHES NOMINAL IN
mounting_methodCLAMP RING(S)
NSN5905-00-106-1417
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,PRE TITLE COMPONENT PN 42457A MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
•
BODY DIAMETER: 0.875 INCHES NOMINAL IN
•
ELECTRICAL RESISTANCE PER SECTION: 50.0 KILOHMS 1ST SECTION AND 100.0 KILOHMS 2ND SECTION AND 100.0 KILOHMS 3RD SECTION
•
MOUNTING LIP DEPTH: 0.0620 INCHES NOMINAL IN
•
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER: 125.0 ALL SECTIONS
•
UNDERCUT WIDTH: 0.0620 INCHES NOMINAL IN
•
SECTION QUANTITY: 3
•
SHAFT DIAMETER: 0.1246 INCHES MINIMUM AND 0.1249 INCHES MAXIMUM IN
•
UNDERCUT DIAMETER: 0.781 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BODY DIAMETER0.875 INCHES NOMINAL IN
ELECTRICAL RESISTANCE PER SECTION50.0 KILOHMS 1ST SECTION AND 100.0 KILOHMS 2ND SECTION AND 100.0 KILOHMS 3RD SECTION
MOUNTING LIP DEPTH0.0620 INCHES NOMINAL IN
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER125.0 ALL SECTIONS
UNDERCUT WIDTH0.0620 INCHES NOMINAL IN
SECTION QUANTITY3
SHAFT DIAMETER0.1246 INCHES MINIMUM AND 0.1249 INCHES MAXIMUM IN
UNDERCUT DIAMETER0.781 INCHES NOMINAL IN
FUNCTION CHARACTERISTIC PER SECTIONALL SECTIONS LINEAR
BODY STYLECYLINDRICAL SERVO MOUNTED
SUBSTITUTES & CROSS-REFERENCES 1
WP7-8 178Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 42457A?
42457A is a RESISTOR,VARIABLE,WIRE WOUND,PRE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 42457A?
There is 1 known substitute for 42457A: WP7-8 178. Substitute compatibility should be verified for your specific system.
What is the NSN for 42457A?
42457A is cataloged in the U.S. Government catalog under NSN 5905-00-106-1417. This indicates validated use in U.S. government and defense supply chains.
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