The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.8 MILLIMETERS NOMINAL MM, hole_diameter: 4.30 MILLIMETERS MINIMUM AND 4.48 MILLIMETERS MAXIMUM MM, hardness_rating: 140.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 250.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM, overall_diameter: 9.0 MILLIMETERS NOMINAL MM, special_features: MATERIAL: LOW CARBON STEEL. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-556-6643, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| material | STEEL OVERALL |
| thickness | 0.8 MILLIMETERS NOMINAL MM |
| hole_diameter | 4.30 MILLIMETERS MINIMUM AND 4.48 MILLIMETERS MAXIMUM MM |
| hardness_rating | 140.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 250.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM |
| overall_diameter | 9.0 MILLIMETERS NOMINAL MM |
| special_features | MATERIAL: LOW CARBON STEEL |
| peripheral_shape_style | ROUND |
| center_hole_shape_style | ROUND |
| end_item_identification | MRAP - UNIQUE NSN - MAXXPRO CAT I |
| cross-sectional_shape_style | RECTANGULAR |
| NSN | 5310-01-556-6643 |
| MATERIAL | STEEL OVERALL |
| PERIPHERAL SHAPE STYLE | ROUND |
| THICKNESS | 0.8 MILLIMETERS NOMINAL MM |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| HOLE DIAMETER | 4.30 MILLIMETERS MINIMUM AND 4.48 MILLIMETERS MAXIMUM MM |
| SPECIAL FEATURES | MATERIAL: LOW CARBON STEEL |
| CENTER HOLE SHAPE STYLE | ROUND |
| HARDNESS RATING | 140.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 250.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM |
| OVERALL DIAMETER | 9.0 MILLIMETERS NOMINAL MM |
| END ITEM IDENTIFICATION | MRAP - UNIQUE NSN - MAXXPRO CAT I |