As of October 25, 2020, we have fresh material and are shipping domestically and internationally.


FAA approved replacements for PRC/PPG Aerospace Sealants.

NSL1422RC Class A and B

NSL1422RC: Rapid Cure Aviation Fuel Tank Sealant

FAA approved replacement for PR-1422 Class A & B, PR-1440 Class A & B, P/S 890 & P/S 890M Class A & B aviation fuel tank sealant

NSL1422RC is a rapid-cure, fuel resistant aviation sealant, with a faster cure that helps you get the job done faster.  It is 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. This is an FAA-approved rapid curing replacement for PPG PR-1422 that cures at least 75% faster for Class A sealants and 65% faster for Class B sealants. Learn more below or get a quote today.

Replacement For: PR-1422 Class A & B, PR-1440 Class A & B, P/S 890 & P/S 890M Class A & B
Conforms To: AMS-S-8802 & BMS5-26U by FAA-PMA Approval

Eligible manufacturers for NSL1422RC and NSL1422 series per FAA PMA Supplement PQ4210CE* include:
Airbus, ATR, Boeing, Bombardier, CFM International, Dassault Aviation, Embraer, Lockheed, McDonnell Douglas, Pratt & Whitney.

Click the part number to access the FAA PMA supplement:
NSL1422RCA1/2NSL1422RCA1/2 cont.NSL1422RCA1/2 cont. 2NSL1422RCA2NSL1422RCB1/2NSL1422RCB1/2 cont.NSL1422RCB1/2 cont. 2NSL1422RCB2

Meets requirements of specification:  Conforms to AMS-S-8802 & BMS5-26U by FAA-PMA Approval

Packaging: Available in 2½ - and 6-oz. cartridges, pint, quart and gallon kits. Also available in premixed and frozen cartridges. Other-size packaging available upon request

Technical Data:  *
  • Cure Profile: A-½A-2
  • Application Life (hrs): ½2
  • Tack Free Time (hrs): <5<9
  • Cure Time (hrs): <5<12
Shelf Life: 9 months | Consistency: Self Leveling | Color: Gray

Technical Data:  *
  • Cure Profile: B-½B-2
  • Application Life (hrs): ½2
  • Tack Free Time (hrs): <5<9
  • Cure Time (hrs): <5<12
Shelf Life: 9 month | Consistency: Paste | Color: Gray

*Please consult the technical data sheet for specificities of environmental conditions that yielded the above data. Standard cure rates are based on industry curing standards.


Why don’t we have pricing on our product page? Because pricing is not a one-size-fits-all proposition. There are multiple variables determining product price, such as:

  • Part name, type, class, or manufacturer
  • Size
  • Quantity
  • Specification
  • Shelf life requirement
  • Purchaser type: Distributor or end-user?

Every quote is custom, created just for you and your specific needs. Please fill out the form on our CONTACT US page and we’ll be in touch ASAP.

Request a quote

NSL PMA Sealants

  • Non-critical Part (FAA AC 43-18 (2))
  • FAA Approved (Supplement PQ4210CE)
  • 8130 Airworthiness Approval
  • PPG/PRC replacement
  • 30%-50% cost savings on average
  • Faster turnaround
  • Customizable packaging
  • Available pre-mixed and frozen (PMF)