Clean Room Buna-N O-Ring-Dash 216-Pack of 25The best resistance to and high temperatures amongst all O-Ring materials. Made of FDA materials and certified to meet 3A and USP Class VI requirements.Specification: BRAND: USA SealingMANUFACTURERS PART NUMBER: ZCLNH70FDA216MATERIAL: Buna-NCOLOR FINISH: WhiteDASH SIZE: 216DUROMETER: 70AID (ACTUAL): 1.109"ID (FRACTIONAL): 1-1/8"OD (ACTUAL): 1.387"OD (FRACTIONAL): 1-3/8"CROSS SECTION SHAPE: RoundCROSS SECTION (ACTUAL): 0.139"CROSS SECTION (FRACTIONAL): 1/8"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: ZCLNH70FDA216MATERIAL: Buna-NCOLOR FINISH: WhiteDASH SIZE: 216DUROMETER: 70AID (ACTUAL): 1.109"ID (FRACTIONAL): 1-1/8"OD (ACTUAL): 1.387"OD (FRACTIONAL): 1-3/8"CROSS SECTION SHAPE: RoundCROSS SECTION (ACTUAL): 0.139"CROSS SECTION (FRACTIONAL): 1/8"TEMPERATURE RANGE: -40 to 250 (F)GRADE: FoodHARDNESS: StandardSPECS MET: FDA, ISO Class 10,000 Clean RoomWEIGHT LBS: 1INCH/METRIC: Inch