Product Description
Buna O-rings FDA/NSF61
- Size #421= 4 ID x 4-1/2 OD x 1/4 CS
- Our Buna Nitrile rubber orings are FDA/NSF61 approved.
- Excellent resistance to petroleum based lubricants, hydraulic oils, gasoline, fuels and L.P. gases.
- Temperature range -58 F to 248°F
- Color Black
- 70 Durometer hardness
Price is $0.90 each minimum purchase 2 pieces