Aeronautical Standards Group - Washer - AN960-10L
Standard Part
Description: Washer
Part Number: AN960-10L
Alternate Part Number: MS9320-10, 095-10800, 911242-F
Item Description
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.
Features and Characteristics
| Cross Sectional Shape | Rectangular | |
| Hole Diameter | Between 0.193 inches and 0.213 inches | |
| Edge Shape | Round | |
| Center Hole Shape | Round | |
| Thickness | Between 0.029 inches and 0.035 inches | |
| Overall Diameter | Between 0.433 inches and 0.458 inches | |
| Special Features | Light | |
| Material | Steel | |
| Material Specification | Mil-s-7952 military specification single material response or qq-s-698 federal specification single material response | |
| Surface Treatment | Cadmium and chromate | |
| Surface Treatment Specification | Qq-p-416, type 2, cl 3 federal specification single treatment response | |
| Nondefinitive Specification/std Data | A type and 1 grade and a class | |
| FSC | 5310 Nuts And Washers | |
| NIIN | 001670834 | |
| NSN | 5310001670834 |