Clean Room Buna-N O-Ring-Dash 010-Pack of 25The best resistance to and high temperatures amongst all O-Ring materials. Better suited for applications with large temperature swings (cycling) and better resistance to compression set than other Kalrez compounds.Specification: BRAND: USA SealingMANUFACTURERS PART NUMBER: ZCLNH70FDA010MATERIAL: Buna-NCOLOR FINISH: WhiteDASH SIZE: 010DUROMETER: 70AID (ACTUAL): 0.239"ID (FRACTIONAL): 1/4"OD (ACTUAL): 0.379"OD (FRACTIONAL): 3/8"CROSS SECTION SHAPE: RoundCROSS SECTION (ACTUAL): 0.070"CROSS SECTION (FRACTIONAL): 1/16"TEMPERATURE RANGE: -40 to 250 (F)GRADE: FoodHARDNESS: StandardSPECS MET: FDA, ISO Class 10,000 Clean RoomWEIGHT LBS: 1INCH/METRIC: InchSpecification: BRAND: USA SealingMANUFACTURERS PART NUMBER: ZCLNH70FDA010MATERIAL: Buna-NCOLOR FINISH: WhiteDASH SIZE: 010DUROMETER: 70AID (ACTUAL): 0.239"ID (FRACTIONAL): 1/4"OD (ACTUAL): 0.379"OD (FRACTIONAL): 3/8"CROSS SECTION SHAPE: RoundCROSS SECTION (ACTUAL): 0.070"CROSS SECTION (FRACTIONAL): 1/16"TEMPERATURE RANGE: -40 to 250 (F)GRADE: FoodHARDNESS: StandardSPECS MET: FDA, ISO Class 10,000 Clean RoomWEIGHT LBS: 1INCH/METRIC: Inch