9905-12-383-7676 SIGN MAKING KIT,POR 4720-12-383-7678 HOSE,AIR DUCT

National Stock Number:
5310-12-383-7677

Federal Supply Class:
5310

National Item Identification Number:
123837677

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:
DIN EN ISO 7093-6,4-140HV-A2D8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
DIN9021-6,4-140HV-A2-BLACKENEDD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
DIN9021-6,4-140HV-A2-GESCHWAERZTD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER6,4 MILLIMETERS NOMINAL
MATERIALSTEEL COMP A2 OVERALL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER18,0 MILLIMETERS NOMINAL
THICKNESS1,6 MILLIMETERS NOMINAL


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