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FUEL TANK SEALANT - ONE QUART OF NSL1422 RAPID CURE CLASS A EQUALS 24oz FILL. VISCOSITY OF MAPLE SYRUP. WORK TIME 2 HOURS. REPLACEMENT FOR PR-1422 UNDER PMA NO. PQ4210CE NSL1422RC A2

FUEL TANK SEALANT - ONE QUART OF NSL1422 RAPID CURE CLASS A EQUALS 24oz FILL. VISCOSITY OF MAPLE SYRUP. WORK TIME 2 HOURS. REPLACEMENT FOR PR-1422 UNDER PMA NO. PQ4210CE NSL1422RC A2
Out of Stock - On Backorder
FUEL TANK SEALANT - ONE QUART OF NSL1422 RAPID CURE CLASS A EQUALS 24oz FILL. VISCOSITY OF MAPLE SYRUP. WORK TIME 2 HOURS. REPLACEMENT FOR PR-1422 UNDER PMA NO. PQ4210CE NSL1422RC A2
FUEL TANK SEALANT - ONE QUART OF NSL1422 RAPID CURE CLASS A EQUALS 24oz FILL. VISCOSITY OF MAPLE SYRUP. WORK TIME 2 HOURS. REPLACEMENT FOR PR-1422 UNDER PMA NO. PQ4210CE NSL1422RC A2
Rapid Cure Integral Fuel Tank Sealant | Pint, 2hr, NSL1422RC, Class A

NSL1422RC Class A is a fuel resistant sealant 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. This Class A two-part polysulfide base compound cures at room temperature to a flexible, resilient rubber.

Model (Alternate Part# 1422A2PT) is Class A, one pint size with a 2 hour work time.


  • Heat-accelerated curing
  • Fuel resistant
  • Replacement for PR-1422 Class A (PMA No. PQ4210CE)
  • 2 hour work time
  • Excellent adhesion to aluminum, magnesium, titanium, steel and numerous other aircraft substrates
  • Designed to withstand the attack of sulfur compounds that are present in jet fuels and aviation gas
  • Service temperature range -65ºF(-54ºC) to 250ºF(121ºC) with excursions to 275ºF (135 ºC)
  • Suitable for application by brush to thickness of up to 25 mils
  • One pint equals 12oz fill

Product Codes

Mfr Part No:NSL1422RC A2

Hazmat charges may apply


Size: 1 pintShelf life: 9 months when stored below 80ºFColor: Base - off-white Curing agent - black Mixed - grayMixing ratio: 100:12 (by weight) 100:8.3 (by volume)Non-volatile content: 86%Viscosity: Base - 250 Curing - 1,000

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  • Stock: Out of Stock - On Backorder
  • Manufacturer Part #: NSL1422RC A2
$53.99

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