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400 Series




Image Model+ Item Name Qty. Price Quantity Discounts
ST425S Solid PTFE Back-Up Ring ST425S

ST425S Solid PTFE Back-Up Ring

AS568-425 (0.236" W X 4.551"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$15.76

Add:
Min Qty:  4
Quantity Discounts
4-7$15.76
8-26$12.608
27+$9.456
ST426S Solid PTFE Back-Up Ring ST426S

ST426S Solid PTFE Back-Up Ring

AS568-426 (0.236" W X 4.676"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$16.97

Add:
Min Qty:  3
Quantity Discounts
3-7$16.97
8-24$13.576
25+$10.182
ST427S Solid PTFE Back-Up Ring ST427S

ST427S Solid PTFE Back-Up Ring

AS568-427 (0.236" W X 4.801"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$17.58

Add:
Min Qty:  3
Quantity Discounts
3-7$17.58
8-23$14.064
24+$10.548
ST428S Solid PTFE Back-Up Ring ST428S

ST428S Solid PTFE Back-Up Ring

AS568-428 (0.236" W X 4.926"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$17.58

Add:
Min Qty:  3
Quantity Discounts
3-7$17.58
8-23$14.064
24+$10.548
ST429S Solid PTFE Back-Up Ring ST429S

ST429S Solid PTFE Back-Up Ring

AS568-429 (0.236" W X 5.051"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$18.17

Add:
Min Qty:  3
Quantity Discounts
3-6$18.17
7-22$14.536
23+$10.902
ST430S Solid PTFE Back-Up Ring ST430S

ST430S Solid PTFE Back-Up Ring

AS568-430 (0.236" W X 5.176"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$18.79

Add:
Min Qty:  3
Quantity Discounts
3-6$18.79
7-22$15.032
23+$11.274
ST431S Solid PTFE Back-Up Ring ST431S

ST431S Solid PTFE Back-Up Ring

AS568-431 (0.236" W X 5.301"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$19.99

Add:
Min Qty:  3
Quantity Discounts
3-6$19.99
7-20$15.992
21+$11.994
ST432S Solid PTFE Back-Up Ring ST432S

ST432S Solid PTFE Back-Up Ring

AS568-432 (0.236" W X 5.426"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$21.22

Add:
Min Qty:  3
Quantity Discounts
3-5$21.22
6-19$16.976
20+$12.732
ST433S Solid PTFE Back-Up Ring ST433S

ST433S Solid PTFE Back-Up Ring

AS568-433 (0.236" W X 5.551"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$21.81

Add:
Min Qty:  3
Quantity Discounts
3-5$21.81
6-19$17.448
20+$13.086
ST434S Solid PTFE Back-Up Ring ST434S

ST434S Solid PTFE Back-Up Ring

AS568-434 (0.236" W X 5.676"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$21.81

Add:
Min Qty:  3
Quantity Discounts
3-5$21.81
6-19$17.448
20+$13.086
ST435S Solid PTFE Back-Up Ring ST435S

ST435S Solid PTFE Back-Up Ring

AS568-435 (0.236" W X 5.801"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$22.43

Add:
Min Qty:  3
Quantity Discounts
3-5$22.43
6-18$17.944
19+$13.458
ST436S Solid PTFE Back-Up Ring ST436S

ST436S Solid PTFE Back-Up Ring

AS568-436 (0.236" W X 5.926"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$24.23

Add:
Min Qty:  3
Quantity Discounts
3-5$24.23
6-17$19.384
18+$14.538
ST437S Solid PTFE Back-Up Ring ST437S

ST437S Solid PTFE Back-Up Ring

AS568-437 (0.236" W X 6.051"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$24.84

Add:
Min Qty:  3
Quantity Discounts
3-5$24.84
6-16$19.872
17+$14.904
ST438S Solid PTFE Back-Up Ring ST438S

ST438S Solid PTFE Back-Up Ring

AS568-438 (0.236" W X 6.274"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$36.71

Add:
Min Qty:  2
Quantity Discounts
2-3$36.71
4-11$29.368
12+$22.026
ST439S Solid PTFE Back-Up Ring ST439S

ST439S Solid PTFE Back-Up Ring

AS568-439 (0.236" W X 6.524"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$38.96

Add:
Min Qty:  2
Quantity Discounts
2-3$38.96
4-10$31.168
11+$23.376
ST440S Solid PTFE Back-Up Ring ST440S

ST440S Solid PTFE Back-Up Ring

AS568-440 (0.236" W X 6.774"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$47.99

Add:
Min Qty:  2
Quantity Discounts
2$47.99
3-8$38.392
9+$28.794
ST441S Solid PTFE Back-Up Ring ST441S

ST441S Solid PTFE Back-Up Ring

AS568-441 (0.236" W X 7.024"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$47.99

Add:
Min Qty:  2
Quantity Discounts
2$47.99
3-8$38.392
9+$28.794
ST442S Solid PTFE Back-Up Ring ST442S

ST442S Solid PTFE Back-Up Ring

AS568-442 (0.236" W X 7.274"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$49.15

Add:
Min Qty:  2
Quantity Discounts
2$49.15
3-8$39.32
9+$29.49
ST443S Solid PTFE Back-Up Ring ST443S

ST443S Solid PTFE Back-Up Ring

AS568-443 (0.236" W X 7.524"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$50.71

Add:

Quantity Discounts
1-2$50.71
3-8$40.568
9+$30.426
ST444S Solid PTFE Back-Up Ring ST444S

ST444S Solid PTFE Back-Up Ring

AS568-444 (0.236" W X 7.774"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$52.40

Add:

Quantity Discounts
1-2$52.40
3-7$41.92
8+$31.44
ST445S Solid PTFE Back-Up Ring ST445S

ST445S Solid PTFE Back-Up Ring

AS568-445 (0.236" W X 8.024"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$52.89

Add:

Quantity Discounts
1-2$52.89
3-7$42.312
8+$31.734
ST446S Solid PTFE Back-Up Ring ST446S

ST446S Solid PTFE Back-Up Ring

AS568-446 (0.236" W X 8.524"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$53.13

Add:

Quantity Discounts
1-2$53.13
3-7$42.504
8+$31.878
ST447S Solid PTFE Back-Up Ring ST447S

ST447S Solid PTFE Back-Up Ring

AS568-447 (0.236" W X 9.024"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$54.85

Add:

Quantity Discounts
1-2$54.85
3-7$43.88
8+$32.91
ST448S Solid PTFE Back-Up Ring ST448S

ST448S Solid PTFE Back-Up Ring

AS568-448 (0.236" W X 9.524"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$58.52

Add:

Quantity Discounts
1-2$58.52
3-7$46.816
8+$35.112
ST449S Solid PTFE Back-Up Ring ST449S

ST449S Solid PTFE Back-Up Ring

AS568-449 (0.236" W X 10.024"ID X 0.117"HT) PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The...
0
$60.45

Add:

Quantity Discounts
1-2$60.45
3-6$48.36
7+$36.27