5310-01-213-8868 WASHER,FLAT Index 5310-01-213-8870 WASHER,FLAT

National Stock Number:
5310-01-213-8869

Federal Supply Class:
5310

National Item Identification Number:
012138869

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:
1280M93P0307482GENERAL ELECTRIC COMPANY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.274 INCHES MINIMUM AND 0.288 INCHES MAXIMUM
LENGTH0.960 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5599 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY 625 OVERALL
PERIPHERAL SHAPE STYLERECTANGULAR
WIDTH ACROSS FLATS0.460 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
THICKNESS0.022 INCHES MINIMUM AND 0.028 INCHES MAXIMUM


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