The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL, thickness: 0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN, hole_diameter: 0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN, overall_diameter: 0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN, surface_treatment: PASSIVATE OVERALL, peripheral_shape_style: ROUND. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-286-2781, 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 CORROSION RESISTING OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL |
| thickness | 0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN |
| hole_diameter | 0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN |
| overall_diameter | 0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN |
| surface_treatment | PASSIVATE OVERALL |
| peripheral_shape_style | ROUND |
| center_hole_shape_style | ROUND |
| cross-sectional_shape_style | RECTANGULAR |
| nondefinitive_spec/std_data | A TYPE AND 2 GRADE AND B CLASS |
| material_document_and_classification | MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 3RD MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 4TH MATERIAL RESPONSE OVERALL |
| NSN | 5310-00-286-2781 |
| THICKNESS | 0.032 INCHES NOMINAL IN |
| HOLE DIAMETER | 0.266 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN |
| MATERIAL | STEEL COMP 301 OVERALL |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| CENTER HOLE SHAPE STYLE | ROUND |
| PERIPHERAL SHAPE STYLE | ROUND |
| SPECIFICATION/STANDARD DATA | 43999-2W1 MANUFACTURERS STANDARD |
| OVERALL DIAMETER | 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |