4820-01-502-6266 DISK,VALVE Index 6680-01-502-6268 TRANSMITTER,RATE OF FLOW

National Stock Number:
5310-01-502-6267

Federal Supply Class:
5310

National Item Identification Number:
015026267

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:
209785-0020B107L3 TECHNOLOGIES, INC.
209785-00255311L3 TECHNOLOGIES, INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
COLORBLACK OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.123 INCHES MINIMUM AND 0.133 INCHES MAXIMUM
OVERALL DIAMETER0.238 INCHES MINIMUM AND 0.244 INCHES MAXIMUM
MATERIALSTEEL CORROSION RESISTING OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTOXIDE OVERALL
THICKNESS0.003 INCHES MINIMUM AND 0.005 INCHES MAXIMUM


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