SOCIETY OF AUTOMOTIVE ENGINEERS INC | 81343 |
MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | 96906 |
CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
HOLE DIAMETER | 0.154 INCHES MINIMUM AND 0.169 INCHES MAXIMUM |
PERIPHERAL SHAPE STYLE | ROUND |
CENTER HOLE SHAPE STYLE | ROUND |
THICKNESS | 0.038 INCHES MINIMUM AND 0.048 INCHES MAXIMUM |
OVERALL DIAMETER | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
SURFACE FINISH | 63.0 MICROINCHES BOTTOM |
SURFACE FINISH | 63.0 MICROINCHES TOP |
MATERIAL | STEEL COMP 4130 OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | NICKEL OVERALL AND CADMIUM OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
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 ( .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 . 6 inches ( .15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be . 16 inches ( .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. |