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National Stock Number:
5310-14-566-5484
Federal Supply Class:
5310
National Item Identification Number:
145665484
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.
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Manufacturer Information:
| ENISO7089-12-200HV-A3J | I9006 | COMITE EUROPEEN DE NORMALISATION | | ISO7089-12-200HV-A3J | I9008 | INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) |
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Techincal Specification:
| PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 13.48 MILLIMETERS MINIMUM AND 24.0 MILLIMETERS MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ISO4042 CODE A3J ASSN STD SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | ERR-030 OVERALL | | THICKNESS | 2.3 MILLIMETERS MINIMUM AND 2.5 MILLIMETERS NOMINAL AND 2.7 MILLIMETERS MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 200.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 300.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM | | HOLE DIAMETER | 13.0 MILLIMETERS NOMINAL AND 13.27 MILLIMETERS MAXIMUM | | MATERIAL | STEEL OVERALL | | III SUPPLEMENTARY FEATURES | FINITION BRILLANTE CHROMATATION INCOLORE |
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