NSL1422A1/2 is a fuel resistant aviation sealant intended for use on integral fuel tanks and pressurized cabins as well as other areas subject to contact with aircraft fuels, lubricants, oils, water and/or weathering. It is an FAA-approved PMA replacement for PPG’s PR-1422 sealant. .
At room temperature, this two-part polysulfide base compound cures to a flexible, resilient rubber.
Replacement For: PR-1422 Class A & B
Conforms To: AMS-S-8802 & BMS5-26U by FAA-PMA Approval