JIS B2401 P21
Japanese Industrial Standard O-Ring | P Series (Moving/Dynamic)
Dimensions (Metric)
| Inner Diameter (ID) | 20.8 mm |
| Cross Section (CS) | Per JIS Standard |
Dimensions (Imperial)
| Inner Diameter (ID) | 0.819" |
| Cross Section (CS) | Per JIS Standard |
P Series (Moving/Dynamic)
Designed for dynamic applications with reciprocating or rotating motion.
Frequently Asked Questions
What are the dimensions of JIS P21?
JIS B2401 P21 has an Inner Diameter (ID) of 20.8mm (0.819").
What is the equivalent AS568 size?
JIS and AS568 use different numbering systems. Use our calculator to find equivalent sizes by dimension.