4240-00-275-3161 (GGGH211S0LIDSHEETGLASS)
NSN 4240-00-275-3161 (NIIN 00-275-3161) is a welder's helmet lens in Federal Supply Class 4240, Safety And Rescue Equipment. Manufacturer part number GGGH211S0LIDSHEETGLASS (Federal Specifications Promulgated, CAGE 81348); also referenced as F2 (Aearo Company).
NIIN assigned January 1963; DEMIL A (none required); unit of issue PG (package), $4.22 gov standard price; ships at 0.1 lb / 0.0016 cu ft. Supersedes 4240-00-237-3490 (1977).