A-A-50177, COMMERCIAL ITEM DESCRIPTION: PAPER, LENS (05-OCT-1988) [SUPERSEDING NNN-P-40]

A-A-50177, COMMERCIAL ITEM DESCRIPTION: PAPER, LENS (05-OCT-1988) [SUPERSEDING NNN-P-40]., This commercial item description covers non-abrasive lens paper in the following types and classes: Type I – Cleaning paper Class 1 – Lightweight Class 2 – Medium weight Class 3 – Heavyweight, silicone treated Class 4 – Heavyweight, wet-strength Class 5 – Lightweight, wet-strength Type II – Wrapping or covering for coated optical surfaces.