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93490A018 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

93490A018: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: SILICON AND ALUMINUM OVERALL, thickness: 0.062 INCHES NOMINAL IN, hole_diameter: 0.392 INCHES NOMINAL IN, overall_diameter: 0.875 INCHES NOMINAL IN, special_features: MATERIAL - SILICON BRONZE, WON'T CORRODE, IS HARDER THAN BRASS, ROCKWELL HADNESS - B85 THICKNESS TOLERANCE IS .007", peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-534-6403, 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
93490A018
NSN: 5310-01-534-6403
FSC: 5310 — Nuts and Washers
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSILICON AND ALUMINUM OVERALL
thickness0.062 INCHES NOMINAL IN
hole_diameter0.392 INCHES NOMINAL IN
overall_diameter0.875 INCHES NOMINAL IN
special_featuresMATERIAL - SILICON BRONZE, WON'T CORRODE, IS HARDER THAN BRASS, ROCKWELL HADNESS - B85 THICKNESS TOLERANCE IS .007"
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-01-534-6403
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 93490A018 · 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: 0.875 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: SILICON AND ALUMINUM OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.392 INCHES NOMINAL IN
•
THICKNESS: 0.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.875 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIAL FEATURESMATERIAL - SILICON BRONZE, WON'T CORRODE, IS HARDER THAN BRASS, ROCKWELL HADNESS - B85 THICKNESS TOLERANCE IS .007"
PERIPHERAL SHAPE STYLEROUND
MATERIALSILICON AND ALUMINUM OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.392 INCHES NOMINAL IN
THICKNESS0.062 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 93490A018?
93490A018 is a WASHER,FLAT.
What is the NSN for 93490A018?
93490A018 is cataloged in the U.S. Government catalog under NSN 5310-01-534-6403. This indicates validated use in U.S. government and defense supply chains.
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