5310-00-158-4565 WASHER,FLAT Index 5310-00-158-4568 WASHER,FLAT

National Stock Number:
5310-00-158-4566

Federal Supply Class:
5310

National Item Identification Number:
001584566

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:
1460-13P06023REGO CO A MARMON GROUP CO


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CRITICALITY CODE JUSTIFICATIONZZZY
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
OVERALL DIAMETER0.938 INCHES NOMINAL
PERIPHERAL SHAPE STYLEROUND
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSFOR OXYGEN SERVICE
THICKNESS0.012 INCHES MINIMUM AND 0.018 INCHES MAXIMUM


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