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Technical Data Sheet
PartsTable / COMPONENT / 86559-01
86559-01 ✓ 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,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.221 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN, outside_diameter: 0.340 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: CADMIUM OVERALL, material_thickness: 0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-638-6574, 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
86559-01
NSN: 5310-00-638-6574
FSC: 5310
CAGE: 35351 — GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.221 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN
outside_diameter0.340 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentCADMIUM OVERALL
material_thickness0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
NSN5310-00-638-6574
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 86559-01 · 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
•
SURFACE TREATMENT: CADMIUM OVERALL
•
OUTSIDE DIAMETER: 0.340 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.221 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL THICKNESS: 0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM OVERALL
OUTSIDE DIAMETER0.340 INCHES NOMINAL IN
HOLE DIAMETER0.221 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIAL THICKNESS0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
5653Interchangeable
interchangeable cross-reference
interchangeable
86559Interchangeable
interchangeable cross-reference
interchangeable
5791Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 86559-01?
86559-01 is a WASHER,LOCK.
What parts can replace 86559-01?
There are 3 known substitutes for 86559-01: 5653, 86559, 5791. Substitute compatibility should be verified for your specific system.
Is 86559-01 still available?
86559-01 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026