Description



Black NBR O Ring


Material: Nitrile butadiene rubber NBR


Operating Temperature: -35℃ to +100℃


Shore Hardness: 70°


Advantage: Durable Nitrile butadiene rubber.  Resistance to heat, oil, aging, abrasion, ozone, fuel and other chemicals.


Notice:  This is a multiple-choice listing.  You must choose the proper size and qty.  It is your responsibly to understand,  measure and select what size you need. 

Nominal Size Inches Approx. Size in mm
1/8"(3mm) 3.5-4mm
5/32" (4mm) 4-4.5mm
3/16" (5mm) 5-5.5mm
1/4" (6mm) 6-7.5mm
5/16" (8mm) 8-9mm
3/8" (10mm) 10-11mm
1/2" (12mm) 11.5-13mm
9/16" (14mm) 14-15mm
5/8" (16mm) 16-17.5mm
11/16" (18mm) 18-19mm
3/4" (20mm) 20-21.5mm
13/16"(22mm) 22-23.5mm
1" (25mm) 24.5-26.5mm
1-1/4" (32mm) 32-34mm

Note:  The larger number measures the OD (Outside Diameter) of the ring.  The smaller numbers measure the ID (Inner Diameter) and CS (Cross Sectional Diameter) of the ring.  The OD = ID + 2xCS.  (Example: OD 10mm, ID 8MM, CS 1mm)