
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# 1422A12QT) is Class A, one quart size with a 30 minute work time.
- Heat-accelerated curing
- Fuel resistant
- Replacement for PR-1422 Class A (PMA No. PQ4210CE)
- 30 minute 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 quart equals 24oz fill
Product Codes | |
|---|---|
| Mfr Part No: | NSL1422RC A1/2 |
Size: 1 quartShelf 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
- Stock: Out of Stock - On Backorder
- Manufacturer Part #: NSL1422RC A1/2
Available Options
Aircraft Fitment Finder
Returns & refund summary
- 30-day return window — with prior return authorization, unopened in original packaging.
- Restocking fee: 20% on unopened items, 30% on open-box items.
- Refund processing fee: 5.51% applies to all refunds (returns, cancellations, core-fee refunds) regardless of reason.
- Return shipping: paid by buyer.
- Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.
Full terms: Return Policy.
Authenticity & authorization
All parts sold by American Aviation Parts are genuine factory products sourced through authorized distribution channels. Our authorization status varies by brand — for some brands we are a direct authorized dealer; for others we are an independent reseller through authorized distribution. Either way, the part you receive is the same factory product, with standard documentation available on request.
See our full Manufacturer Authorizations page for the current per-brand status.
Need traceability paperwork?
If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.
Shipping
Standard ground, expedited, and AOG shipping options are available at checkout. Full shipping-cost tiers and timelines are published on our Delivery Information page.