The LENS,HELMET,WELDER'S is a 3M industrial component. Key specifications include material: GLASS, lens_type: FILTER, overall_width: 2.000 INCHES NOMINAL IN, overall_length: 4.250 INCHES NOMINAL IN, nondefinitive_spec/std_data: A STYLE AND III TYPE, departure_from_cited_designator: AS MODIFIED BY NATIONAL BUREAU OF STANDARDS SHADE NUMBER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4240-00-540-2422, 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 | GLASS |
| lens_type | FILTER |
| overall_width | 2.000 INCHES NOMINAL IN |
| overall_length | 4.250 INCHES NOMINAL IN |
| nondefinitive_spec/std_data | A STYLE AND III TYPE |
| departure_from_cited_designator | AS MODIFIED BY NATIONAL BUREAU OF STANDARDS SHADE NUMBER |
| national_bureau_of_standards_shade_number | CO-BS 9 |
| NSN | 4240-00-540-2422 |
| MATERIAL | GLASS |
| OVERALL WIDTH | 2.000 INCHES NOMINAL IN |
| OVERALL LENGTH | 4.250 INCHES NOMINAL IN |
| NATIONAL BUREAU OF STANDARDS SHADE NUMBER | CO-BS 9 |
| NONDEFINITIVE SPEC/STD DATA | A STYLE AND III TYPE |
| LENS TYPE | FILTER |
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY NATIONAL BUREAU OF STANDARDS SHADE NUMBER |