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6492A ✓ 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 width: 0.328 INCHES NOMINAL IN, material: STEEL, overall_height: 0.594 INCHES NOMINAL IN, stock_diameter: 0.049 INCHES NOMINAL IN, style_designator: PIN, casehardening_indicator: NOT CASEHARDENED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-524-5657, 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
6492A
NSN: 5310-00-524-5657
FSC: 5310
CAGE: 78711 — TELEPHONICS CORP (USA)
SPECIFICATIONS
width0.328 INCHES NOMINAL IN
materialSTEEL
overall_height0.594 INCHES NOMINAL IN
stock_diameter0.049 INCHES NOMINAL IN
style_designatorPIN
casehardening_indicatorNOT CASEHARDENED
NSN5310-00-524-5657
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6492A · 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
•
CENTER HOLE SHAPE STYLE: ROUND
•
MATERIAL: COPPER ALLOY OVERALL
•
OVERALL DIAMETER: 0.625 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
HOLE DIAMETER: 0.125 INCHES NOMINAL IN
•
THICKNESS: 0.015 INCHES NOMINAL IN
•
WIDTH: 0.355 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: DEE
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
MATERIALCOPPER ALLOY OVERALL
OVERALL DIAMETER0.625 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.125 INCHES NOMINAL IN
THICKNESS0.015 INCHES NOMINAL IN
WIDTH0.355 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEDEE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
15697AInterchangeable
interchangeable cross-reference
interchangeable
7402579Interchangeable
interchangeable cross-reference
interchangeable
Y400S221Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6492A?
6492A is a WASHER,FLAT.
What parts can replace 6492A?
There are 3 known substitutes for 6492A: 15697A, 7402579, Y400S221. Substitute compatibility should be verified for your specific system.
What is the NSN for 6492A?
6492A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-524-5657. 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