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O-Rings

-300 Series 3/16" CS




Image Model+ Item Name Qty. Price Quantity Discounts
ST321 Single Turn Split PTFE Back-Up Ring ST321

ST321 Single Turn Split PTFE Back-Up Ring

AS568-321 (0.183" W X 1.200"ID X 0.076"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$6.98

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Min Qty:  8
Quantity Discounts
8-94$6.98
95-596$5.584
597+$4.188
ST324 Single Turn Split PTFE Back-Up Ring ST324

ST324 Single Turn Split 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...
28
$2.49

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Quantity Discounts
1-263$2.49
264-1,673$1.992
1,674+$1.494
ST325 Single Turn Split PTFE Back-Up Ring ST325

ST325 Single Turn Split 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...
80
$1.22

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Quantity Discounts
1-537$1.22
538-3,415$0.976
3,416+$0.732
ST326 Single Turn Split PTFE Back-Up Ring ST326

ST326 Single Turn Split 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...
22
$1.25

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Quantity Discounts
1-524$1.25
525-3,333$1.00
3,334+$0.75
ST327 Single Turn Split PTFE Back-Up Ring ST327

ST327 Single Turn Split 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...
0
$1.35

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Min Qty:  38
Quantity Discounts
38-486$1.35
487-3,086$1.08
3,087+$0.81
ST328 Single Turn Split PTFE Back-Up Ring ST328

ST328 Single Turn Split 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...
269
$1.37

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Quantity Discounts
1-479$1.37
480-3,041$1.096
3,042+$0.822
ST329 Single Turn Split PTFE Back-Up Ring ST329

ST329 Single Turn Split 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...
5
$1.48

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Quantity Discounts
1-443$1.48
444-2,815$1.184
2,816+$0.888
ST330 Single Turn Split PTFE Back-Up Ring ST330

ST330 Single Turn Split 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...
15
$1.62

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Quantity Discounts
1-405$1.62
406-2,572$1.296
2,573+$0.972
ST331 Single Turn Split PTFE Back-Up Ring ST331

ST331 Single Turn Split 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
$1.63

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Min Qty:  31
Quantity Discounts
31-402$1.63
403-2,556$1.304
2,557+$0.978
ST332 Single Turn Split PTFE Back-Up Ring ST332

ST332 Single Turn Split 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...
4
$1.82

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Quantity Discounts
1-360$1.82
361-2,289$1.456
2,290+$1.092
ST333 Single Turn Split PTFE Back-Up Ring ST333

ST333 Single Turn Split 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...
12
$1.84

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Quantity Discounts
1-356$1.84
357-2,264$1.472
2,265+$1.104
ST334 Single Turn Split PTFE Back-Up Ring ST334

ST334 Single Turn Split 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...
19
$1.97

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Quantity Discounts
1-333$1.97
334-2,115$1.576
2,116+$1.182
ST335 Single Turn Split PTFE Back-Up Ring ST335

ST335 Single Turn Split 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...
0
$2.20

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Min Qty:  23
Quantity Discounts
23-298$2.20
299-1,893$1.76
1,894+$1.32
ST336 Single Turn Split PTFE Back-Up Ring ST336

ST336 Single Turn Split 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...
-2
$2.24

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Min Qty:  23
Quantity Discounts
23-292$2.24
293-1,860$1.792
1,861+$1.344
ST337 Single Turn Split PTFE Back-Up Ring ST337

ST337 Single Turn Split 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
$2.32

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Min Qty:  22
Quantity Discounts
22-282$2.32
283-1,795$1.856
1,796+$1.392
ST338 Single Turn Split PTFE Back-Up Ring ST338

ST338 Single Turn Split 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...
5
$2.36

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Quantity Discounts
1-278$2.36
279-1,765$1.888
1,766+$1.416
ST339 Single Turn Split PTFE Back-Up Ring ST339

ST339 Single Turn Split 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
$2.40

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Min Qty:  21
Quantity Discounts
21-273$2.40
274-1,736$1.92
1,737+$1.44
ST340 Single Turn Split PTFE Back-Up Ring ST340

ST340 Single Turn Split 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
$2.47

Add:
Min Qty:  21
Quantity Discounts
21-265$2.47
266-1,686$1.976
1,687+$1.482
ST341 Single Turn Split PTFE Back-Up Ring ST341

ST341 Single Turn Split 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...
14
$2.60

Add:
Min Qty:  20
Quantity Discounts
20-252$2.60
253-1,602$2.08
1,603+$1.56
ST342 Single Turn Split PTFE Back-Up Ring ST342

ST342 Single Turn Split 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...
2
$2.68

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Quantity Discounts
1-244$2.68
245-1,554$2.144
1,555+$1.608
ST343 Single Turn Split PTFE Back-Up Ring ST343

ST343 Single Turn Split 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
$2.75

Add:
Min Qty:  19
Quantity Discounts
19-238$2.75
239-1,515$2.20
1,516+$1.65
ST344 Single Turn Split PTFE Back-Up Ring ST344

ST344 Single Turn Split 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
$2.84

Add:
Min Qty:  18
Quantity Discounts
18-231$2.84
232-1,467$2.272
1,468+$1.704
ST345 Single Turn Split PTFE Back-Up Ring ST345

ST345 Single Turn Split 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...
0
$2.91

Add:
Min Qty:  18
Quantity Discounts
18-225$2.91
226-1,431$2.328
1,432+$1.746
ST346 Single Turn Split PTFE Back-Up Ring ST346

ST346 Single Turn Split 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
$3.04

Add:
Min Qty:  17
Quantity Discounts
17-215$3.04
216-1,370$2.432
1,371+$1.824
ST347 Single Turn Split PTFE Back-Up Ring ST347

ST347 Single Turn Split 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...
3
$3.07

Add:

Quantity Discounts
1-213$3.07
214-1,357$2.456
1,358+$1.842