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A back-up ring is a rigid ring that holds an elastomeric seal or plastic (such as Polyethylene) connection to its designed shape and in its correct place. Back up rings are commonly used with O-rings and lip seals.
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19/51 - FLAT 95A URETHANE O-RING BACKUP - INCH (60)
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8 - CONTOURED N90 NITRILE O-RING BACKUP - INCH (347)
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8700 - HYTREL® U-CUP BACK UP - INCH (47)
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BU-N - NYLON U-CUP BACK UP - INCH (18)
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BU-T - PTFE U-CUP BACK UP - INCH (70)
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BU-VEG - VEGETABLE FIBER GASKET END CAP SEAL - INCH (37)
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MB - MODULAR URETHANE U-CUP BACK UP - INCH (116)
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MBH - HYTREL® U-CUP BACK UP - METRIC (144)
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MBN - NYLON U-CUP BACK UP - METRIC (65)
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MBT - SOLID TEFLON® U-CUP BACK UP - METRIC (135)
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MS27595 - SOLID TEFLON® O-RING BACK UP - INCH (241)
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MS28774 - SPLIT TEFLON® O-RING BACK UP - INCH (173)
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MS28782 - SPIRAL TEFLON® O-RING BACK UP - INCH (101)
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MS28783 - SPIRAL TEFLON® O-RING BACK UP - INCH (30)
Item#:
8-225 N90
ID-1.875 CS-1/8
SPEC SHEET
Available:
483.00
Your Price:
1.01
Each
Item#:
8-226 N90
Available:
350.00
Your Price:
1.09
Each
Item#:
8-227 N90
ID-2.125 CS-1/8
SPEC SHEET
Available:
219.00
Your Price:
1.21
Each
Item#:
8-228 N90
ID-2.25 CS-1/8
SPEC SHEET
Available:
543.00
Your Price:
1.25
Each
Item#:
8-229 N90
ID-2.375 CS-1/8
SPEC SHEET
Available:
243.00
Your Price:
1.30
Each
Item#:
8-230 N90
ID-2.5 CS-1/8
SPEC SHEET
Available:
566.00
Your Price:
1.35
Each
Item#:
8-231 N90
ID-2.625 CS-1/8
SPEC SHEET
Available:
564.00
Your Price:
1.43
Each
Item#:
8-232 N90
ID-2.75 CS-1/8
SPEC SHEET
Available:
510.00
Your Price:
1.59
Each
Item#:
8-233 N90
ID-2.875 CS-1/8
SPEC SHEET
Available:
239.00
Your Price:
1.61
Each
Item#:
8-234 N90
Available:
243.00
Your Price:
1.74
Each
Item#:
8-235 N90
ID-3.125 CS-1/8
SPEC SHEET
Available:
183.00
Your Price:
1.95
Each
Item#:
8-236 N90
ID-3.25 CS-1/8
SPEC SHEET
Available:
772.00
Your Price:
1.97
Each
Item#:
8-237 N90
ID-3.375 CS-1/8
SPEC SHEET
Available:
44.00
Your Price:
2.06
Each
Item#:
8-238 N90
ID-3.5 CS-1/8
SPEC SHEET
Available:
115.00
Your Price:
2.07
Each
Item#:
8-239 N90
ID-3.625 CS-1/8
SPEC SHEET
Available:
250.00
Your Price:
2.07
Each
Item#:
8-240 N90
ID-3.75 CS-1/8
SPEC SHEET
Available:
806.00
Your Price:
2.20
Each
Item#:
8-241 N90
ID-3.875 CS-1/8
SPEC SHEET
Available:
141.00
Your Price:
2.34
Each
Item#:
8-242 N90
Available:
251.00
Your Price:
2.59
Each
Item#:
8-243 N90
ID-4.125 CS-1/8
SPEC SHEET
Available:
74.00
Your Price:
2.61
Each
Item#:
8-244 N90
ID-4.25 CS-1/8
SPEC SHEET
Available:
84.00
Your Price:
2.61
Each
Item#:
8-245 N90
ID-4.375 CS-1/8
SPEC SHEET
Available:
47.00
Your Price:
2.85
Each
Item#:
8-246 N90
ID-4.5 CS-1/8
SPEC SHEET
Available:
306.00
Your Price:
2.96
Each
Item#:
8-247 N90
ID-4.625 CS-1/8
SPEC SHEET
Available:
136.00
Your Price:
3.22
Each
Item#:
8-248 N90
ID-4.75 CS-1/8
SPEC SHEET
Available:
257.00
Your Price:
3.27
Each
Item#:
8-249 N90
ID-4.875 CS-1/8
SPEC SHEET
Available:
68.00
Your Price:
3.46
Each
Item#:
8-250 N90
Available:
186.00
Your Price:
3.69
Each
Item#:
8-251 N90
ID-5.125 CS-1/8
SPEC SHEET
Available:
0.00
ETA:
03/07/2025
Your Price:
3.97
Each
Item#:
8-252 N90
ID-5.25 CS-1/8
SPEC SHEET
Available:
87.00
Your Price:
4.26
Each
Item#:
8-253 N90
ID-5.375 CS-1/8
SPEC SHEET
Available:
78.00
Your Price:
4.45
Each
Item#:
8-254 N90
ID-5.5 CS-1/8
SPEC SHEET
Available:
110.00
Your Price:
4.72
Each
Item#:
8-255 N90
ID-5.625 CS-1/8
SPEC SHEET
Available:
80.00
Your Price:
4.89
Each
Item#:
8-256 N90
ID-5.75 CS-1/8
SPEC SHEET
Available:
251.00
Your Price:
5.03
Each
Item#:
8-257 N90
ID-5.875 CS-1/8
SPEC SHEET
Available:
86.00
Your Price:
5.11
Each
Item#:
8-258 N90
Available:
330.00
Your Price:
5.41
Each
Item#:
8-259 N90
ID-6.25 CS-1/8
SPEC SHEET
Available:
31.00
Your Price:
5.74
Each
Item#:
8-260 N90
ID-6.5 CS-1/8
SPEC SHEET
Available:
109.00
Your Price:
5.86
Each