AMS3277J Sealing Compound, Polythioether Rubber Fast Curing for Integral Fuel Tanks and General Purpose, Intermittent Use to 360 °F (182 °C)

Remove minimum flow (Class B only) and minimum swell requirements from spec IAW G-9 Committee vote. Clarified Batch/Lot language and made minor editorial corrections. Changed Titanium specification reference to AMS4911 (from AMS4901) to be consistent with other AMS specifications and return to original MIL-S-29574 alloy reference. Remove catalyst viscosity requirement in accordance with QPG recommendation. Added alternative composite material (IM7/977-3).