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Technical Data Sheet
PartsTable / MRO / 20-425
20-425 ✓ Verified by PartsTable
Lindy · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

These What Hi-Fi Award Winning headphones contain inverse phase active technology which 'cancel out' background noise resulting in a more enjoyable audio experience. The 40mm driver units provide superior sound performance whilst the soft, cushioned earpads are comfortable to wear for long periods. Perfect for on a long flight, train journey, in the car or just to use at home.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-262-4734, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
MRO→ MRO_GENERAL→ 20-425
NSN: 5310-00-262-4734
FSC: 5310
CAGE: 35301 — DRESSER INDUSTRIES INC LEROI DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY
thickness0.062 INCHES NOMINAL IN
body_styleCYLINDRICAL SERVO MOUNTED
shell_typeSOLID
body_length0.953 INCHES NOMINAL IN
shaft_styleROUND
bearing_typeBALL SHAFT
pilot_length0.0620 INCHES NOMINAL IN
shaft_length0.875 INCHES NOMINAL IN
shaft_runout0.001 INCHES IN
actuator_typeSINGLE SHAFT
body_diameter3.000 INCHES NOMINAL IN
NSN5310-00-262-4734
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 20-425 · Lindy ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
PERIPHERAL SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 0.734 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
THICKNESS: 0.062 INCHES NOMINAL IN
•
MATERIAL: COPPER OVERALL
•
HOLE DIAMETER: 0.469 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.734 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.062 INCHES NOMINAL IN
MATERIALCOPPER OVERALL
HOLE DIAMETER0.469 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
00237-0213Interchangeable
interchangeable cross-reference
interchangeable
237-0213Interchangeable
interchangeable cross-reference
interchangeable
20425Interchangeable
interchangeable cross-reference
interchangeable
2-1-2X3JMInterchangeable
interchangeable cross-reference
interchangeable
885C843P2Interchangeable
interchangeable cross-reference
interchangeable
MS35319-568Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20-425?
20-425 is a RESISTOR,VARIABLE,WIRE WOUND,PRE manufactured by Lindy. It is classified as a MRO (MRO_GENERAL).
What parts can replace 20-425?
There are 16 known substitutes for 20-425: 00237-0213, 237-0213, 20425 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20-425?
20-425 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-262-4734. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026