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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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Min Qty:  3
Quantity Discounts
3-62$10.46
63-398$8.368
399+$6.276
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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Min Qty:  10
Quantity Discounts
10-238$2.75
239-1,515$2.20
1,516+$1.65
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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Min Qty:  9
Quantity Discounts
9-227$2.89
228-1,441$2.312
1,442+$1.734
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
1-169$3.88
170-1,073$3.104
1,074+$2.328
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
1-193$3.40
194-1,225$2.72
1,226+$2.04
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
1-196$3.34
197-1,247$2.672
1,248+$2.004
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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Min Qty:  8
Quantity Discounts
8-183$3.57
184-1,167$2.856
1,168+$2.142
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

Add:
Min Qty:  7
Quantity Discounts
7-160$4.08
161-1,021$3.264
1,022+$2.448
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

Add:
Min Qty:  7
Quantity Discounts
7-160$4.08
161-1,021$3.264
1,022+$2.448
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

Add:
Min Qty:  7
Quantity Discounts
7-160$4.09
161-1,018$3.272
1,019+$2.454
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

Add:
Min Qty:  7
Quantity Discounts
7-159$4.11
160-1,013$3.288
1,014+$2.466
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

Add:
Min Qty:  7
Quantity Discounts
7-159$4.12
160-1,011$3.296
1,012+$2.472
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
1-158$4.13
159-1,008$3.304
1,009+$2.478
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
1-158$4.14
159-1,006$3.312
1,007+$2.484
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

Add:
Min Qty:  7
Quantity Discounts
7-157$4.16
158-1,001$3.328
1,002+$2.496
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

Add:
Min Qty:  6
Quantity Discounts
6-156$4.18
157-996$3.344
997+$2.508
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

Add:
Min Qty:  6
Quantity Discounts
6-156$4.19
157-994$3.352
995+$2.514
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

Add:
Min Qty:  6
Quantity Discounts
6-155$4.21
156-989$3.368
990+$2.526
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

Add:
Min Qty:  6
Quantity Discounts
6-154$4.26
155-978$3.408
979+$2.556
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...
0
$4.43

Add:
Min Qty:  6
Quantity Discounts
6-148$4.43
149-940$3.544
941+$2.658
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

Add:
Min Qty:  6
Quantity Discounts
6-144$4.54
145-917$3.632
918+$2.724
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

Add:
Min Qty:  6
Quantity Discounts
6-140$4.66
141-894$3.728
895+$2.796
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

Add:

Quantity Discounts
1-135$4.83
136-862$3.864
863+$2.898
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

Add:
Min Qty:  5
Quantity Discounts
5-122$5.37
123-775$4.296
776+$3.222
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

Add:
Min Qty:  5
Quantity Discounts
5-126$5.17
127-805$4.136
806+$3.102