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A329240 ✓ 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: 0.090 INCHES NOMINAL IN, hole_diameter: 1.772 INCHES MINIMUM AND 1.782 INCHES MAXIMUM IN, overall_diameter: 3.668 INCHES NOMINAL IN, features_provided: CASEHARDENED, 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 5310-00-350-6368, 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
A329240
NSN: 5310-00-350-6368
FSC: 5310
CAGE: 00000
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.090 INCHES NOMINAL IN
hole_diameter1.772 INCHES MINIMUM AND 1.782 INCHES MAXIMUM IN
overall_diameter3.668 INCHES NOMINAL IN
features_providedCASEHARDENED
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-350-6368
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A329240 · 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
•
OVERALL DIAMETER: 3.668 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
THICKNESS: 0.090 INCHES NOMINAL IN
•
FEATURES PROVIDED: CASEHARDENED
•
HOLE DIAMETER: 1.772 INCHES MINIMUM AND 1.782 INCHES MAXIMUM IN
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER3.668 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.090 INCHES NOMINAL IN
FEATURES PROVIDEDCASEHARDENED
HOLE DIAMETER1.772 INCHES MINIMUM AND 1.782 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
46683Interchangeable
interchangeable cross-reference
interchangeable
818 13Interchangeable
interchangeable cross-reference
interchangeable
2013 13Interchangeable
interchangeable cross-reference
interchangeable
2E-30700-03Interchangeable
interchangeable cross-reference
interchangeable
30700-03Interchangeable
interchangeable cross-reference
interchangeable
4013T64P11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A329240?
A329240 is a WASHER,FLAT.
What parts can replace A329240?
There are 7 known substitutes for A329240: 46683, 818 13, 2013 13 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A329240?
A329240 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-350-6368. 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