5310-01-197-1098 WASHER,FLAT Index 5310-01-197-1100 WASHER,FLAT

National Stock Number:
5310-01-197-1099

Federal Supply Class:
5310

National Item Identification Number:
011971099

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:
10088106A486GNIMIKKEISTOKESKUS NCB FINLAND
A10.5DIN125-MS-E3A21969ZELENDA MACHINE AND TOOLS CORP
A10.5DIN125-MS-E3AD8266MTU FRIEDRICHSHAFEN GMBH


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER10.5 MILLIMETERS NOMINAL
OVERALL DIAMETER21.0 MILLIMETERS NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONDIN 17660 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDIN 267 SHEET 9 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTNICKEL OVERALL
THICKNESS2.0 MILLIMETERS NOMINAL


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