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PartsTable / COMPONENT / 8353345
8353345 ✓ 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: RUBBER SYNTHETIC OVERALL, thickness: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN, hole_diameter: 0.368 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN, overall_diameter: 0.870 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-333-7354, 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
8353345
NSN: 5310-00-333-7354
FSC: 5310
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
thickness0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
hole_diameter0.368 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
overall_diameter0.870 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-333-7354
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8353345 · 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: 0.368 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
THICKNESS: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OVERALL DIAMETER: 0.870 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.368 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
MATERIALRUBBER SYNTHETIC OVERALL
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OVERALL DIAMETER0.870 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
TJ51-5Interchangeable
interchangeable cross-reference
interchangeable
A42494-1-5Interchangeable
interchangeable cross-reference
interchangeable
325GREENInterchangeable
interchangeable cross-reference
interchangeable
81981260038Interchangeable
interchangeable cross-reference
interchangeable
26877Interchangeable
interchangeable cross-reference
interchangeable
500797Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8353345?
8353345 is a WASHER,FLAT.
What parts can replace 8353345?
There are 9 known substitutes for 8353345: TJ51-5, A42494-1-5, 325GREEN and 6 more. Substitute compatibility should be verified for your specific system.
Is 8353345 still available?
8353345 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