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Nitrile 75 Durometer O-Ring, Mil/Aero (NM304-75)
Brand: Parker HannifinParker'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.
Features- 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)
Specifications
Brand
Approvals & Certifications
- MIL/Aero
Color
- Black
Fluid Compatibility
- Oils
Inside Diameter (inch)
- 0.029” to 25.94”
Internally Lubed
- No
Markets
- Aerospace
Maximum Working Temperature (°F)
- 250° F
Meets Certifications
- AMS-P-25732, MIL-DTL-25732, MIL-P-25732C-Typicals I,II, MS288775
Minimum Working Temperature (°F)
- -65° F
Nominal Hardness
- 75
Nominal Hardness Range
- > 70
Polymer Family
- Acrylonitrile-Butadiene Nitrile (NBR, XNBR)
Region of Origin
- North America
Thermal Application (°F)
- Low & High Temperature (< -30° F, > 250° F)
Width (inch)
- 0.04” to 0.275”
Documentation
Data Sheets
- Compound Shrink Class pdf 371 KB
- NM304 Material Test Report pdf 155 KB
- O Ring Coatings Advanced Coating Methods for All of Your Application Needs ORD 5757 pdf 1.5 MB
- O Ring Division Frequently Asked Questions pdf 118 KB
- Parker O Ring Handbook ORD 5700 pdf 5.9 MB
- Parker Tracking System and RFID Technology pdf 72 KB
- Shelf Life pdf 79 KB
- Technical Glossary pdf 132 KB