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C3494 ✓ 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: ASBESTOS OVERALL, thickness: 0.125 INCHES NOMINAL IN, hole_diameter: 0.781 INCHES NOMINAL IN, overall_diameter: 1.312 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 5310-00-528-4829, 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
C3494
NSN: 5310-00-528-4829
FSC: 5310
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
materialASBESTOS OVERALL
thickness0.125 INCHES NOMINAL IN
hole_diameter0.781 INCHES NOMINAL IN
overall_diameter1.312 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-528-4829
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: C3494 · 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: 0.781 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: ASBESTOS OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 1.312 INCHES NOMINAL IN
•
THICKNESS: 0.125 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.781 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALASBESTOS OVERALL
CENTER HOLE SHAPE STYLEROUND
OVERALL DIAMETER1.312 INCHES NOMINAL IN
THICKNESS0.125 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
14025Interchangeable
interchangeable cross-reference
interchangeable
10EJR7Interchangeable
interchangeable cross-reference
interchangeable
42SL25Interchangeable
interchangeable cross-reference
interchangeable
RR315Interchangeable
interchangeable cross-reference
interchangeable
914297Interchangeable
interchangeable cross-reference
interchangeable
7966781Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C3494?
C3494 is a WASHER,FLAT.
What parts can replace C3494?
There are 10 known substitutes for C3494: 14025, 10EJR7, 42SL25 and 7 more. Substitute compatibility should be verified for your specific system.
Is C3494 still available?
C3494 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