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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

Add:
Min Qty:  5
Quantity Discounts
5-11$10.46
12-39$8.368
40+$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
$2.49

Add:
Min Qty:  21
Quantity Discounts
21-50$2.49
51-167$1.992
168+$1.494
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
$10.61

Add:
Min Qty:  5
Quantity Discounts
5-11$10.61
12-39$8.488
40+$6.366
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...
70
$2.49

Add:

Quantity Discounts
1-50$2.49
51-167$1.992
168+$1.494
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
$2.70

Add:

Quantity Discounts
1-46$2.70
47-154$2.16
155+$1.62
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
$2.74

Add:

Quantity Discounts
1-45$2.74
46-152$2.192
153+$1.644
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
$2.97

Add:
Min Qty:  17
Quantity Discounts
17-42$2.97
43-140$2.376
141+$1.782
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
$3.25

Add:
Min Qty:  16
Quantity Discounts
16-38$3.25
39-128$2.60
129+$1.95
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...
2
$3.26

Add:

Quantity Discounts
1-38$3.26
39-127$2.608
128+$1.956
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
$3.64

Add:
Min Qty:  14
Quantity Discounts
14-34$3.64
35-114$2.912
115+$2.184
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
$3.68

Add:
Min Qty:  14
Quantity Discounts
14-33$3.68
34-113$2.944
114+$2.208
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
$3.93

Add:
Min Qty:  13
Quantity Discounts
13-31$3.93
32-106$3.144
107+$2.358
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
$4.40

Add:

Quantity Discounts
1-28$4.40
29-94$3.52
95+$2.64
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
$4.48

Add:

Quantity Discounts
1-27$4.48
28-93$3.584
94+$2.688
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
$4.63

Add:
Min Qty:  11
Quantity Discounts
11-26$4.63
27-89$3.704
90+$2.778
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
$4.72

Add:

Quantity Discounts
1-26$4.72
27-88$3.776
89+$2.832
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
$4.80

Add:
Min Qty:  11
Quantity Discounts
11-26$4.80
27-86$3.84
87+$2.88
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
$4.94

Add:
Min Qty:  11
Quantity Discounts
11-25$4.94
26-84$3.952
85+$2.964
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
$5.19

Add:
Min Qty:  10
Quantity Discounts
10-24$5.19
25-80$4.152
81+$3.114
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
$5.36

Add:
Min Qty:  10
Quantity Discounts
10-23$5.36
24-77$4.288
78+$3.216
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
$5.50

Add:
Min Qty:  10
Quantity Discounts
10-22$5.50
23-75$4.40
76+$3.30
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
$5.67

Add:
Min Qty:  9
Quantity Discounts
9-22$5.67
23-73$4.536
74+$3.402
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...
3
$5.82

Add:

Quantity Discounts
1-21$5.82
22-71$4.656
72+$3.492
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
$6.08

Add:
Min Qty:  9
Quantity Discounts
9-20$6.08
21-68$4.864
69+$3.648
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
$6.15

Add:
Min Qty:  9
Quantity Discounts
9-20$6.15
21-67$4.92
68+$3.69