The Lens,helmet,welder's is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4240-01-063-5640, 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.
| Part Number | ANSI Z87.1, 5.250 X 4.500 SHD 10 |
| NSN | 4240-01-063-5640 |
| MATERIAL | GLASS OR PLASTIC |
| NONDEFINITIVE SPEC/STD DATA | A STYLE AND 3 TYPE |
| OVERALL WIDTH | 4.500 INCHES NOMINAL IN |
| LENS TYPE | FILTER |
| OVERALL LENGTH | 5.250 INCHES NOMINAL IN |
| NATIONAL BUREAU OF STANDARDS SHADE NUMBER | C0-BS 10 |