NM304 2-135 - Nitrile 75 Durometer O-Ring, Mil/Aero (NM304-75) | Parker NA

Nitrile 75 Durometer O-Ring, Mil/Aero (NM304-75) | #NM304 2-135

NM304 2-135

Nitrile 75 Durometer O-Ring, Mil/Aero (NM304-75) | #NM304 2-135

Parker's nitrile rubber (NBR) O-rings are compatible with oils and gases, hydraulic oil and fuels.


Technical Specifications

  • Inside Diameter: 1.925 inch
  • Width: 0.103 inch
  • Polymer Material Options: Nitrile Butadiene Rubber (NBR, XNBR)
  • Durometer: 75 Shore A
  • Thermal Application Type: Low and High Temperature (< -30°F, > 250°F)
  • Minimum Operating Temperature: -65 °F
  • Maximum Operating Temperature: 250 °F
  • For Fluid Type: Oil
  • Industry: Aerospace
  • Specifications Met: MIL/Aero, AMS-P-25732, MIL-DTL-25732, MIL-P-25732C Types I,II, MS288775
  • Region of Origin: North America
  • Internally Lubricated: No
  • Color: Black
Safety Warning

Item Information

Parker's 75 durometer black nitrile (NBR), NM304-75 is an excellent general purpose material that has good mechanical properties when compared to other elastomers.  NBR is not resistant to weathering and ozone.

Temperature Range: -65°F to 250°F (-53°C to 121°C)

Certifications include Mil-P-25732

Chemical resistance
• Aliphatic hydrocarbons (propane, butane, petroleum oil, mineral oil and grease, diesel fuel, fuel oils) vegetable and mineral oils and greases
• HFA, HFB and HFC hydraulic fluids
• Dilute acids, alkali and salt solutions at low temperatures
• Water up to 212°F (100°C)

Not compatible with:
• Fuels of high aromatic content, aromatic hydrocarbons (benzene), chlorinated hydrocarbons (trichloroethylene), strong acids, glycols, ozone, weather, atmospheric aging, and polar solvents (ketone, acetone, acetic acid, ethylene-ester)

*Custom sizes and coatings/markings are available upon request. Contact Parker O-Ring Division at 859-269-2351 for design and pricing assistance.

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Where to Buy

Local Contact

O-Ring & Engineered Seals Division

2360 Palumbo Drive

Lexington,

KY

United States

40509

Phone

859 269 2351

Fax

859 335 5128

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