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PartsTable / COMPONENT / 20-469
20-469 ✓ Verified by PartsTable
Legrand · 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

Bashful with a beautiful bouquet, the Smurf smiles and smiles. Key specifications include end_item_identification: INJECTION PUMP ROOSA MASTER MODEL DM4629JT3190, general_characteristics_item_description: INCLUDES PLUNGER; HEAD PLUG SCREWS; VENT WIRE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-262-4737, 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
20-469
NSN: 5310-00-262-4737
FSC: 5310
CAGE: 35301 — DRESSER INDUSTRIES INC LEROI DIV (USA)
SPECIFICATIONS
end_item_identificationINJECTION PUMP ROOSA MASTER MODEL DM4629JT3190
general_characteristics_item_descriptionINCLUDES PLUNGER; HEAD PLUG SCREWS; VENT WIRE
NSN5310-00-262-4737
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 20-469 · Legrand ⚠ 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
•
CENTER HOLE SHAPE STYLE: ROUND
•
PERIPHERAL SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
HOLE DIAMETER: 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN
•
MATERIAL: COPPER OVERALL
•
THICKNESS: 0.050 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN
MATERIALCOPPER OVERALL
THICKNESS0.050 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
204-69Interchangeable
interchangeable cross-reference
interchangeable
5900AInterchangeable
interchangeable cross-reference
interchangeable
65461Interchangeable
interchangeable cross-reference
interchangeable
5901AInterchangeable
interchangeable cross-reference
interchangeable
20-554Interchangeable
interchangeable cross-reference
interchangeable
4V4851Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20-469?
20-469 is a HYDRAULIC HEAD AND ROTOR manufactured by Legrand.
What parts can replace 20-469?
There are 8 known substitutes for 20-469: 204-69, 5900A, 65461 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20-469?
20-469 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-262-4737. 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