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| Metallic Washers | |
| |
| Aluminum Flat Round Washers | A379 |
| Brass Round Flat Washers | A378 |
| Copper Round Flat Washers | A477 |
| Stainless Steel Round Flat Washers | A370 |
| |
| Metric Metallic Washers | |
| |
| Stainless Steel Metric Round Flat Washers | A370 |
| |
| Non-Metallic Washers | |
| |
| Fiberglass Round Flat Washers | A372 |
| Nylon Round Flat Washers | A361 |
| Phenolic Round Flat Washers | A394 |
| PTFE Round Flat Washers | A362 |
| Neoprene Round Flat Washers | A385 |
| Nylatron Round Flat Washers | A693 |
| Polyelastomer Round Flat Washers | A392 |
| PVC Round Flat Washers | A693 |
| |
| Specialty Shaped Washers | |
| |
| C Washer – Metal | A383 |
| D Shaped Washer | A466 |
| Key Washer – Formed | A380 |
| Notch Washer – Double External | A870 |
| Notch Washer – Double Internal | A870 |
| Notch Washer – Single External | A870 |
| Notch Washer – Stainless Internal | A694 |
| Retaining Washer – Flat Lobed | A420 |
| Retention Washer – External | A639 |
| Shoulder Washer – PTFE | A365 |
| Split Washer – Insulating | A383 |
| Split Washer – Metal | A383 |
| Square Hole Washer | A579 |
| Tab Lock Washer Style 1 | A599 |
| Tab Lock Washer Style 2 | A599 |
| Tab Washer – Double Internal | A599 |
| Tab Washer – Single Internal | A599 |
| Terminal Cup Washer | A376 |