BRITISH AEROSPACE INC MILITARY SUPPORT DIV | 56387 |
BRITISH AEROSPACE MILITARY AIRCRAFT & AEROSTRUCTURES | K0289 |
BAE SYSTEMS PLC | K1987 |
BAE SYSTEMS (OPERATIONS) LTD | U9143 |
CROSS-SECTIONAL SHAPE STYLE | 1 RECTANGULAR |
HOLE DIAMETER | 6.35 MILLIMETERS NOMINAL |
PERIPHERAL SHAPE STYLE | 10 SQUARE |
CENTER HOLE SHAPE STYLE | 1 ROUND |
THICKNESS | 0.156 INCHES MINIMUM AND 0.164 INCHES MAXIMUM |
WIDTH ACROSS FLATS | 0.500 INCHES NOMINAL |
SPECIAL FEATURES | ALL CORNERS 0.060 IN. RADIUS; ONE SIDE 0.400 IN. RADIUS |
MATERIAL | STEEL CORROSION RESISTING 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. |