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PartsTable / COMPONENT / 133814
133814 ✓ 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: LEATHER OVERALL, thickness: 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN, hole_diameter: 0.3985 INCHES MINIMUM AND 0.4135 INCHES MAXIMUM IN, overall_diameter: 0.640 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 5310-00-684-2731, 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
133814
NSN: 5310-00-684-2731
FSC: 5310
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialLEATHER OVERALL
thickness0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
hole_diameter0.3985 INCHES MINIMUM AND 0.4135 INCHES MAXIMUM IN
overall_diameter0.640 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-684-2731
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 133814 · 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
•
HOLE DIAMETER: 0.3985 INCHES MINIMUM AND 0.4135 INCHES MAXIMUM IN
•
MATERIAL: LEATHER OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 0.640 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
THICKNESS: 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.3985 INCHES MINIMUM AND 0.4135 INCHES MAXIMUM IN
MATERIALLEATHER OVERALL
CENTER HOLE SHAPE STYLEROUND
OVERALL DIAMETER0.640 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
663095Interchangeable
interchangeable cross-reference
interchangeable
94-4644-24Interchangeable
interchangeable cross-reference
interchangeable
3H4330Interchangeable
interchangeable cross-reference
interchangeable
12085Interchangeable
interchangeable cross-reference
interchangeable
12835Interchangeable
interchangeable cross-reference
interchangeable
757283Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 133814?
133814 is a WASHER,FLAT.
What parts can replace 133814?
There are 24 known substitutes for 133814: 663095, 94-4644-24, 3H4330 and 21 more. Substitute compatibility should be verified for your specific system.
Is 133814 still available?
133814 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