5310-01-351-3531 WASHER,FLAT Index 5310-01-351-3533 WASHER,CONCAVE

National Stock Number:
5310-01-351-3532

Federal Supply Class:
5310

National Item Identification Number:
013513532

Description:
WASHER,FLAT

Detail:
A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.


Manufacturer Information:
120-0230409647AQUA-CHEM INC.
120-02304 0.500 REG09647AQUA-CHEM INC.
120-02304 0.500 REG0EXU3AQUA-CHEM, INC.
13229E0037-1797403CECOM LR CENTER
5714-500R-10086928SEASTROM MANUFACTURING CO INC
8811599907878AERONAUTICAL AND SUPPORT EQUIPMENT TYPE/ASETDS/AFLCMC/EZSC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM
OVERALL DIAMETER1.243 INCHES MINIMUM AND 1.280 INCHES MAXIMUM
MATERIALCOPPER ALLOY OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.090 INCHES MINIMUM AND 0.112 INCHES MAXIMUM


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