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PartsTable / COMPONENT / 20485
20485 ✓ Verified by PartsTable
— · NUT WASHER
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

The SERVOVALVE,HYDRAULIC is a the manufacturer industrial component. Key specifications include end_item_identification: AIRBORNE MINE COUNTERMEASURES MULTI WINCH II. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-197-5257, 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
20485
NSN: 5310-00-197-5257
FSC: 5310
CAGE: 27235 — HARDIE-TYNES CO., INC. (USA)
SPECIFICATIONS
end_item_identificationAIRBORNE MINE COUNTERMEASURES MULTI WINCH II
NSN5310-00-197-5257
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 20485 · OEM ⚠ 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
•
OVERALL DIAMETER: 2.500 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
MATERIAL: COPPER ALLOY OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THICKNESS: 0.062 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 1.000 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER2.500 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
MATERIALCOPPER ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THICKNESS0.062 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER1.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
5756Interchangeable
interchangeable cross-reference
interchangeable
Y400B00320Interchangeable
interchangeable cross-reference
interchangeable
Y400B320Interchangeable
interchangeable cross-reference
interchangeable
204-85Interchangeable
interchangeable cross-reference
interchangeable
240-113CInterchangeable
interchangeable cross-reference
interchangeable
20485-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20485?
20485 is a SERVOVALVE,HYDRAULIC.
What parts can replace 20485?
There are 9 known substitutes for 20485: 5756, Y400B00320, Y400B320 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20485?
20485 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-197-5257. 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