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N4289 ✓ 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 WASHER,FLAT is a the manufacturer industrial component. Key specifications include thickness: 0.119 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN, hole_diameter: 0.469 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND, cross-sectional_shape_style: RECTANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-194-0685, 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
N4289
NSN: 5310-01-194-0685
FSC: 5310
CAGE: 93784 — HUSCO INTERNATIONAL INC (USA)
SPECIFICATIONS
thickness0.119 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN
hole_diameter0.469 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-01-194-0685
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: N4289 · 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
•
HOLE DIAMETER: 0.469 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
PERIPHERAL SHAPE STYLE: ROUND
•
THICKNESS: 0.119 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.469 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.119 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
4289BInterchangeable
interchangeable cross-reference
interchangeable
4289Interchangeable
interchangeable cross-reference
interchangeable
187673PC306Interchangeable
interchangeable cross-reference
interchangeable
N325PC343Interchangeable
interchangeable cross-reference
interchangeable
107253PC85Interchangeable
interchangeable cross-reference
interchangeable
67A314B83Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N4289?
N4289 is a WASHER,FLAT.
What parts can replace N4289?
There are 17 known substitutes for N4289: 4289B, 4289, 187673PC306 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N4289?
N4289 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-194-0685. 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