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A246059 ✓ 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 material: STEEL OVERALL, thickness: 0.062 INCHES NOMINAL IN, hole_diameter: 0.391 INCHES NOMINAL IN, overall_diameter: 0.688 INCHES NOMINAL IN, surface_treatment: ZINC OVERALL, peripheral_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-350-4195, 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
A246059
NSN: 5310-00-350-4195
FSC: 5310
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.062 INCHES NOMINAL IN
hole_diameter0.391 INCHES NOMINAL IN
overall_diameter0.688 INCHES NOMINAL IN
surface_treatmentZINC OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-350-4195
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A246059 · 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
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.391 INCHES NOMINAL IN
•
OVERALL DIAMETER: 0.688 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: ZINC OVERALL
•
THICKNESS: 0.062 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
HOLE DIAMETER0.391 INCHES NOMINAL IN
OVERALL DIAMETER0.688 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTZINC OVERALL
THICKNESS0.062 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
44131Interchangeable
interchangeable cross-reference
interchangeable
C01049Interchangeable
interchangeable cross-reference
interchangeable
2001 61Interchangeable
interchangeable cross-reference
interchangeable
F27080Interchangeable
interchangeable cross-reference
interchangeable
FC27080Interchangeable
interchangeable cross-reference
interchangeable
162140Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A246059?
A246059 is a WASHER,FLAT.
What parts can replace A246059?
There are 11 known substitutes for A246059: 44131, C01049, 2001 61 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A246059?
A246059 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-350-4195. 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