Product Description

A military grade nitrile product that has been designed to meet the MIL-R-6855 Class 1 Specification serving as a fuel resistant nitrile. Made in the USA.

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Key Aspects
Temperature Range:-50°F to +220°F
Durometer Range (Shore A ± 5):40 to 80
Tensile Range (typical psi.):1500 to 2100
Elongation Range (typical %):200 to 600
Finishes Available:Smooth
Talc:Talc-Free Available
Specification:MIL-R-6855 Class 1

We comply with the Buy American Act requirements.

Advanced Technical Details
(Shore?A ±?5)
Tensile (psi)Ultimate
Elongation (%)
Estimated Weight
Per Linear Foot
(1/8" x 36")
Class 1 Grade 40
401/64 - 1/436, 481500600-50°F to +220°F2.15 lb
Class 1 Grade 50
501/64 - 1/436, 481800550-50°F to +220°F2.38 lb
Class 1 Grade 60
601/64 - 1/436, 482100500-50°F to +220°F2.42 lb
Class 1 Grade 70
701/64 - 1/436, 482000300-50°F to +220°F2.5 lb
Class 1 Grade 80
801/64 - 1/436, 481800200-50°F to +220°F2.46 lb

Compound Numbers: 040P0471, 050P0472, 060P0473, 070P0474, 080P0475

Customize This Product To Meet Your Application

Our rubber products are a proprietary blend of various polymers formulated to meet stated physicals and specifications. The named product polymer is not necessarily the primary polymer representing the highest percentage of the polymer blend. Determination of the suitability of the goods for the uses and applications contemplated by Buyer and others shall be the sole responsibility of the Buyer or user. No guaranty is given with respect to length of service on any particular application. Suggestions or recommendations made by Seller in its product literature concerning uses or applications of the goods are believed to be reliable, but Seller makes no warranty or guaranty of results to be obtained since the conditions of the use and application by Buyer and others are beyond Seller’s control.

View complete Terms & Conditions of Sale for suitability of use and formulations

Other Military Specification Grade Sheet Rubber Products

MIL-R-6855 Class 2

  • Polymer: Neoprene
  • Durometer: 30 to 80
  • Temperature Range: -50°F to +220°F
  • Specs: MIL-R-6855 Class 2

Nitrile MIL-G-1149

  • Polymer: Nitrile
  • Durometer: 50
  • Temperature Range: -40°F to +200°F
  • Specs: MIL-G-1149 Type 1 Class 5


  • Polymer: Nitrile
  • Durometer: 40
  • Temperature Range: -50°F to +220°F
  • Spec: MIL-R-2765


  • Polymer: EPDM
  • Durometer: 85
  • Temperature Range: -40°F to +220°F
  • Specs: MIL-R-21252
View All Military Specification Grade Sheet Rubber Products