NSL870 B1/2 (6-oz)
AIRCRAFT CORROSION INHIBITIVE SEALANT (6-Ounce)
AERO P/N: 115388
Hazardous Material
Introducing NSL870 B1/2 (6-oz), a premium polysulfide sealant engineered for aerospace excellence. This two-part compound forms a resilient, flexible rubber that resists fuel, oils, and extreme weather, ensuring robust protection for fuel tanks and pressurized cabins. Meets MIL-PRF-81733 standards.
Product Features
OEM
NSL
OEM Part No.
NSL870 B1/2 (6-oz)
Colour
-
Shelf Life in Months
9
Shelf Life in Days
270
UN No
UN2929 + UN3082
Class
CL6.1(3) + 9
PG
PGII+III
ECCN
EAR99
Country of Origin
United States
Commodity Code
32141010
Product Type
Sealants
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Information
Additional Product Information
Overview
NSL870 B1/2 (6-oz) is a premium corrosion-inhibitive sealant engineered for aerospace applications. This two-part polysulfide compound cures at room temperature to form a resilient, flexible rubber. It protects fuel tanks, pressurized cabins, and other critical areas, providing reliable performance in harsh conditions.
Key Technical Specs for NSL870 B1/2
- Type: Two-part polysulfide sealant
- Size/Volume: 6 oz (0.17 kg)
- Color: Standard aerospace gray
- Viscosity/Consistency: Thixotropic paste
- Cure/Working Time: Room temperature cure, variable per ambient conditions
- Tensile/Peel Strength: Excellent adhesion to metals
- Shore Hardness: Flexible rubber
- Service Temperature: -65°F to 250°F (-54°C to 121°C), short-term 275°F / 135°C
- Typical Uses: Integral fuel tanks, pressurized cabins, sealing joints
- Shelf Life: 12 months sealed
Approvals & Specifications
- MIL-PRF-81733
- FAA-PMA approved
Typical Aircraft MRO / AOG Applications
- Sealing integral fuel tanks
- Pressurized cabin seals
- Critical joint protection in harsh environments
Compatibility & Safety Notes
- Compatible with aluminum, magnesium, titanium, steel
- PPE: Gloves and safety goggles recommended
- Handling Notes: Easy extrusion; thixotropic prevents unwanted flow
Packaging & Procurement
- 6 oz cartridges
- Market Packs: Single or multi-pack
- Storage: Store in cool, dry conditions
- Ease of Use: Apply via extrusion gun or spatula; optional heat cure
Why NSL870 B1/2 is Chosen for AOG / MRO
- Reliable corrosion inhibition
- Flexible and resilient seal
- Works in extreme temperatures and chemical exposure
Practical Suggestions for Your Team (AOG Mindset)
- Keep small cartridges for AOG repairs
- Train teams on proper sealant application techniques
- Use in combination with primer where recommended
Manufacture / Aviation Spec Codes
- Manufacturer: NSL
- Product ID: 870 B1/2
Alternative Names & Descriptions
- NSL870 Corrosion Sealant
- B1/2 Polysulfide Sealant
- Aerospace Fuel Tank Sealant
Restrictions
Restrictions
Restricted
Hazardous
Yes
Dry Ice
No
Precursor Licence
Export Licence
FEDEX Restriction
Supplier Disruption
no
Recommended Alternatives
Bought Together
Shipping Information
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- Collection for orders is available for all customers. At Checkout, please select 'Ex-Works/Collection'.
- European Delivery is available for selected countries. Shipping costs will be calculated according to the weight of the products.
- Refrigerated shipping required for shipments going by sea or exceeding 7 days transit time.
- For additional information, please see our shipping page.