5310-12-161-0569 WASHER,LOCK Index 5310-12-161-0845 WASHER,LOCK

National Stock Number:
5310-12-161-0681

Federal Supply Class:
5310

National Item Identification Number:
121610681

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:
6,4DIN7349-ST-B3CD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
6-4DIN7349B3CD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
6-4DIN7349STB3CD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
6-4DIN7349STGALCD8MTCCD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
DIN7349-6,4-ST-B3CD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER6,4 MILLIMETERS NOMINAL
MATERIALSTEEL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER17,0 MILLIMETERS NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDIN267/9, SCHLUESSEL B3C
SURFACE TREATMENTCADMIUM AND CHROMATE
TEST DATA DOCUMENTD8286-DIN7349 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
THICKNESS3,0 MILLIMETERS NOMINAL


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