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O-Rings

300 Series




Image Model+ Item Name Qty. Price Quantity Discounts
ST321S Solid PTFE Back-Up Ring ST321S

ST321S Solid PTFE Back-Up Ring

AS568-321 (0.183" W X 1.2"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$10.46

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Quantity Discounts
1-3$10.46
4-19$7.845
20+$5.23
ST324S Solid PTFE Back-Up Ring ST324S

ST324S Solid PTFE Back-Up Ring

AS568-324 PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The amount of this extrusion is affected by O-ring...
0
$2.75

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Quantity Discounts
1-4$2.75
5-72$2.063
73+$1.375
ST325S Solid PTFE Back-Up Ring ST325S

ST325S Solid PTFE Back-Up Ring

AS568-325 (0.183" W X 1.513"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$2.89

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Quantity Discounts
1-4$2.89
5-69$2.168
70+$1.445
ST326S Solid PTFE Back-Up Ring ST326S

ST326S Solid PTFE Back-Up Ring

AS568-326 (0.183" W X 1.638"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
50
$3.88

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Quantity Discounts
1-3$3.88
4-51$2.91
52+$1.94
ST327S Solid PTFE Back-Up Ring ST327S

ST327S Solid PTFE Back-Up Ring

AS568-327 (0.183" W X 1.763"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
6
$3.40

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Quantity Discounts
1-3$3.40
4-58$2.55
59+$1.70
ST328S Solid PTFE Back-Up Ring ST328S

ST328S Solid PTFE Back-Up Ring

AS568-328 (0.183" W X 1.888"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
75
$3.34

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Quantity Discounts
1-3$3.34
4-59$2.505
60+$1.67
ST329S Solid PTFE Back-Up Ring ST329S

ST329S Solid PTFE Back-Up Ring

AS568-329 (0.183" W X 2.013"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$3.57

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Quantity Discounts
1-3$3.57
4-56$2.678
57+$1.785
ST330S Solid PTFE Back-Up Ring ST330S

ST330S Solid PTFE Back-Up Ring

AS568-330 (0.183" W X 2.138"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$4.08

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Quantity Discounts
1-3$4.08
4-49$3.06
50+$2.04
ST331S Solid PTFE Back-Up Ring ST331S

ST331S Solid PTFE Back-Up Ring

AS568-331 (0.183" W X 2.268"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$4.08

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Quantity Discounts
1-3$4.08
4-49$3.06
50+$2.04
ST332S Solid PTFE Back-Up Ring ST332S

ST332S Solid PTFE Back-Up Ring

AS568-332 (0.183" W X 2.393"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$4.09

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Quantity Discounts
1-3$4.09
4-48$3.068
49+$2.045
ST333S Solid PTFE Back-Up Ring ST333S

ST333S Solid PTFE Back-Up Ring

AS568-333 (0.183" W X 2.518"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$4.11

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Quantity Discounts
1-3$4.11
4-48$3.083
49+$2.055
ST334S Solid PTFE Back-Up Ring ST334S

ST334S Solid PTFE Back-Up Ring

AS568-334 (0.183" W X 2.643"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$4.12

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Quantity Discounts
1-3$4.12
4-48$3.09
49+$2.06
ST335S Solid PTFE Back-Up Ring ST335S

ST335S Solid PTFE Back-Up Ring

AS568-335 (0.183" W X 2.768"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
1
$4.13

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Quantity Discounts
1-3$4.13
4-48$3.098
49+$2.065
ST336S Solid PTFE Back-Up Ring ST336S

ST336S Solid PTFE Back-Up Ring

AS568-336 (0.183" W X 2.893"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
4
$4.14

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Quantity Discounts
1-3$4.14
4-48$3.105
49+$2.07
ST337S Solid PTFE Back-Up Ring ST337S

ST337S Solid PTFE Back-Up Ring

AS568-337 (0.183" W X 3.018"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$4.16

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Quantity Discounts
1-3$4.16
4-48$3.12
49+$2.08
ST338S Solid PTFE Back-Up Ring ST338S

ST338S Solid PTFE Back-Up Ring

AS568-338 (0.183" W X 3.143"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$4.18

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Quantity Discounts
1-3$4.18
4-47$3.135
48+$2.09
ST339S Solid PTFE Back-Up Ring ST339S

ST339S Solid PTFE Back-Up Ring

AS568-339 (0.183" W X 3.273"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$4.19

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Quantity Discounts
1-3$4.19
4-47$3.143
48+$2.095
ST340S Solid PTFE Back-Up Ring ST340S

ST340S Solid PTFE Back-Up Ring

AS568-340 (0.183" W X 3.398"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$4.21

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Quantity Discounts
1-3$4.21
4-47$3.158
48+$2.105
ST341S Solid PTFE Back-Up Ring ST341S

ST341S Solid PTFE Back-Up Ring

AS568-341 (0.183" W X 3.523"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$4.26

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Quantity Discounts
1-3$4.26
4-46$3.195
47+$2.13
ST342S Solid PTFE Back-Up Ring ST342S

ST342S Solid PTFE Back-Up Ring

AS568-342 (0.183" W X 3.648"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
6
$4.43

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Quantity Discounts
1-3$4.43
4-45$3.323
46+$2.215
ST343S Solid PTFE Back-Up Ring ST343S

ST343S Solid PTFE Back-Up Ring

AS568-343 (0.183" W X 3.773"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$4.54

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Quantity Discounts
1-3$4.54
4-44$3.405
45+$2.27
ST344S Solid PTFE Back-Up Ring ST344S

ST344S Solid PTFE Back-Up Ring

AS568-344 (0.183" W X 3.898"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$4.66

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Quantity Discounts
1-3$4.66
4-42$3.495
43+$2.33
ST345S Solid PTFE Back-Up Ring ST345S

ST345S Solid PTFE Back-Up Ring

AS568-345 (0.183" W X 4.028"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
1
$4.83

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Quantity Discounts
1-3$4.83
4-41$3.623
42+$2.415
ST346S Solid PTFE Back-Up Ring ST346S

ST346S Solid PTFE Back-Up Ring

AS568-346 (0.183" W X 4.153"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$5.37

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Quantity Discounts
1-3$5.37
4-37$4.028
38+$2.685
ST347S Solid PTFE Back-Up Ring ST347S

ST347S Solid PTFE Back-Up Ring

AS568-347 (0.183" W X 4.278"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$5.17

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Quantity Discounts
1-3$5.17
4-38$3.878
39+$2.585




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