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PartsTable / COMPONENT / A326255
A326255 ✓ 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: 0.0035 INCHES MINIMUM AND 0.0045 INCHES MAXIMUM IN, hole_diameter: 0.396 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN, overall_diameter: 0.594 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_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 5310-00-512-5208, 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
A326255
NSN: 5310-00-512-5208
FSC: 5310
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.0035 INCHES MINIMUM AND 0.0045 INCHES MAXIMUM IN
hole_diameter0.396 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
overall_diameter0.594 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-512-5208
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A326255 · 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
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OVERALL DIAMETER: 0.594 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
THICKNESS: 0.0035 INCHES MINIMUM AND 0.0045 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.396 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OVERALL DIAMETER0.594 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
MATERIALSTEEL OVERALL
THICKNESS0.0035 INCHES MINIMUM AND 0.0045 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.396 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
105-125-010Interchangeable
interchangeable cross-reference
interchangeable
64321000050Interchangeable
interchangeable cross-reference
interchangeable
CAK21992NInterchangeable
interchangeable cross-reference
interchangeable
21992Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A326255?
A326255 is a WASHER,FLAT.
What parts can replace A326255?
There are 4 known substitutes for A326255: 105-125-010, 64321000050, CAK21992N and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A326255?
A326255 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-512-5208. 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