Metric O-Ring Mold Chart
Metric O-Ring
Dimensions in:    millimeters
Inside Dia. D1 Cross Section d2 Cross Ref.*
141.00 5.00  
142.00 2.50  
142.00 3.00  
142.00 3.50  
142.00 4.00  
142.00 5.00  
142.00 6.00  
142.11 1.78 BS552
142.88 5.33 BS868
143.00 2.50  
143.00 3.00  
143.00 3.50  
143.00 4.00  
143.00 5.00  
143.00 6.00  
144.00 2.50  
144.00 3.00  
144.00 3.50  
144.00 4.00  
144.00 5.00  
144.10 8.40  
144.20 5.70  
144.30 5.70  
144.40 3.10 G145
144.50 2.00 S145
144.50 3.00  
144.60 5.70 P145
145.00 2.50  
145.00 3.00  
145.00 3.50  
145.00 3.55  
145.00 4.00  
145.00 5.00  
145.00 5.30  
145.00 5.50  
145.00 6.00  
145.29 1.78 BS553
146.00 2.50  
146.00 3.00  
146.00 3.50  
146.00 4.00  
146.00 5.00  
146.00 6.00  
146.05 5.33 BS869
147.00 2.50  
147.00 3.00  
147.00 3.50  
Inside Dia. D1 Cross Section d2 Cross Ref.*
147.00 4.00  
147.00 5.00  
148.00 2.50  
148.00 3.00  
148.00 3.50  
148.00 4.00  
148.00 5.00  
148.00 6.00  
148.46 1.78 BS554
148.50 4.00 V150
149.00 2.50  
149.00 3.00  
149.00 3.50  
149.00 4.00  
149.00 5.00  
149.10 8.40  
149.20 5.70  
149.23 5.33 BS870
149.30 5.70 G150
149.50 2.00 S150
149.50 3.00  
149.50 8.40 P105A
149.60 5.70 P150
150.00 2.50  
150.00 3.00  
150.00 3.50  
150.00 3.55  
150.00 4.00  
150.00 4.50  
150.00 5.00  
150.00 5.30  
150.00 6.00  
150.00 8.00  
151.00 3.00  
151.00 3.50  
151.00 4.00  
151.00 5.00  
151.64 1.78 BS555
152.00 3.00  
152.00 3.50  
152.00 4.00  
152.00 5.00  
153.00 3.00  
153.00 3.50  
153.00 4.00  
153.00 4.50  
153.00 5.00  
Inside Dia. D1 Cross Section d2 Cross Ref.*
153.00 6.00  
154.00 3.00  
154.00 3.50  
154.00 4.00  
154.00 5.00  
154.00 6.00  
154.10 8.40  
154.30 5.70 G155
154.50 3.00  
154.50 8.40 P155
154.81 1.78 BS556
155.00 3.00  
155.00 3.50  
155.00 3.55  
155.00 4.00  
155.00 4.50  
155.00 5.00  
155.00 5.30  
155.00 5.33 BS644
155.00 6.00  
155.50 6.00  
155.60 6.99 BS872
156.00 3.00  
156.00 3.50  
156.00 4.00  
156.00 5.00  
156.00 6.00  
157.00 3.00  
157.00 3.50  
157.00 4.00  
157.00 4.50  
157.00 5.00  
157.00 6.00  
158.00 1.78 BS557
158.00 3.00  
158.00 3.50  
158.00 4.00  
158.00 5.00  
158.00 6.00  
158.82 3.53  
159.00 3.00  
159.00 3.50  
159.00 4.00  
159.00 5.00  
159.00 6.00  
159.10 8.40  
159.30 5.70 G160
Inside Dia. D1 Cross Section d2 Cross Ref.*
159.50 3.00  
159.50 6.99 BS627
159.50 8.40 P160
160.00 3.00  
160.00 3.50  
160.00 3.55  
160.00 4.00  
160.00 4.50  
160.00 5.00  
160.00 5.30  
160.00 6.00  
160.00 8.00  
160.00 10.00  
161.00 3.00  
161.00 3.50  
161.00 4.00  
161.00 5.00  
161.16 1.78 BS558
161.30 5.33 BS645
161.60 2.40  
161.90 6.99 BS874
162.00 3.00  
162.00 3.50  
162.00 4.00  
162.00 5.00  
162.00 6.00  
163.00 3.00  
163.00 3.50  
163.00 4.00  
163.00 5.00  
164.00 3.00  
164.00 3.50  
164.00 4.00  
164.00 5.00  
164.10 8.40  
164.20 5.70  
164.30 5.70 G165
164.34 1.78 BS559
164.50 3.00  
164.50 8.40 P165
165.00 2.00  
165.00 3.00  
165.00 3.50  
165.00 3.55  
165.00 4.00  
165.00 4.50  
165.00 5.00  
Inside Dia. D1 Cross Section d2 Cross Ref.*
165.00 5.30  
165.00 6.00  
166.00 3.00  
166.00 3.50  
166.00 4.00  
166.00 5.00  
166.00 6.00  
166.70 6.99 BS628
167.00 3.00  
167.00 3.50  
167.00 4.00  
167.00 5.00  
167.51 1.78 BS560
167.70 5.33 BS646
168.00 3.00  
168.00 3.50  
168.00 4.00  
168.00 5.00  
168.00 5.70  
168.30 6.99 BS876
169.00 3.00  
169.00 3.50  
169.00 4.00  
169.00 5.00  
169.00 6.00  
169.10 8.40  
169.30 5.70 G170
169.50 3.00  
169.50 8.40 P170
170.00 3.00  
170.00 3.50  
170.00 3.55  
170.00 4.00  
170.00 5.00  
170.00 5.30  
170.00 6.00  
170.69 1.78 BS561
171.00 3.00  
171.00 3.50  
171.00 4.00  
171.00 5.00  
172.00 3.00  
172.00 3.50  
172.00 4.00  
172.00 4.50  
172.00 5.00  
172.00 6.00  
*British or Japanese cross reference