- Fits 5/16 fasteners and has 0328 inch inside Size, with 0562 inch outside Size
- Light version washer with 0016 in thickness
- Made of 2024-T3 Aluminum iwth 58 KSI min UTS
- Chemically treated finish per MIL-C-5541 Grade/Class 3 specification
| Type | Washer |
| Style | Flat Aluminum Aircraft |
| Size | 5/16" |
| Material | Aluminum |
| Finish Spec | MIL-C-5541 Grade/Class 3, Conductive |
| Color | Gold |
| NAS Part No. | NAS1149D0516J |
| AN Part No. | AN960JD-516L |
| Inside Dia. | 0.328 |
| Outside Dia. | 0.562 |
| Inside Dia. Tolerance | ±0.10 |
| Outside Dia. Tolerance | +0.020, -0.005 |
| Thickness | 0.016 |
| Material Spec | 2024 T3 |
