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HERCULES MBT BACK-UP RING

    MBT Back-Up Ring

    Commonly used with metric o-rings, these back-up rings are made of virgin PTFE unless suffix specifies otherwise.

    SEAL INFORMATION
    MATERIALPTFE
    TEMPERATURE
    RANGE
    -100° TO +500° F
    Part NumberA
    Nom. ID
    B
    Nom. OD
    C
    Nom. Ht
    1mm C/S
    MBT-20X1X.85GM20220.85
    1.3mm C/S
    MBT-55X3X1.3S55613
    1.5mm C/S
    MBT-3X1.5X1.25
    MBT-4X1.5X1.25
    MBT-5X1.5X1.25
    MBT-6X1.5X1.25
    MBT-7X1.5X1.25
    MBT-8X1.5X1.25
    MBT-9X1.5X1.25
    MBT-10X1.5X1.25
    MBT-13X1.5X1
    3
    4
    5
    6
    7
    8
    9
    10
    13
    6
    7
    8
    9
    10
    11
    12
    13
    16
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1
    2mm C/S
    MBT-10X2X1.25
    MBT-11X2X1.25
    MBT-12X2X1.25
    MBT-12.5X2X1.25
    MBT-13X2X1.2
    MBT-14X2X1.25
    MBT-15X2X1.25
    MBT-16X2X1.25
    MBT-18X2X1.25
    MBT-20X2X1.25
    MBT-21X2X1.25
    MBT-22X2X1.25
    MBT-26X2X2.5SG
    MBT-28X2X1.5S
    MBT-47X2X1.25
    MBT-53X2X1.25
    10
    11
    12
    12.5
    13
    14
    15
    16
    18
    20
    21
    22
    26
    28
    47
    53
    14
    15
    16
    16.5
    17
    18
    19
    20
    22
    24
    25
    26
    30
    32
    51
    57
    1.25
    1.25
    1.25
    1.25
    1.2
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    2.5
    1.5
    1.25
    1.25
    2.1mm C/S
    MBT-11.8X2.1X111.8161
    2.4mm C/S
    MBT-127.7X2.4X1.25G127.7132.51.25
    2.5mm C/S
    MBT-20X2.5X1.25
    MBT-25X2.5X1.25
    MBT-30X2.5X1.25
    MBT-32X2.5X1.5
    MBT-35X2.5X1.25
    MBT-40X2.5X1.25
    MBT-45X2.5X1.25
    MBT-46X2.5X1.25
    MBT-50X2.5X1.25
    MBT-50X2.5X1.25ST
    MBT-55X2.5X1.25
    MBT-56X2.5X1.25
    MBT-57X2.5X1.5
    MBT-60X2.5X1.25
    MBT-62X2.5X1.25
    MBT-65X2.5X1.25
    MBT-70X2.5X1.25
    MBT-75X2.5X1.25
    MBT-77X2.5X1.25
    MBT-80X2.5X1.25
    MBT-81X2.5X1.5
    MBT-85X2.5X1.25
    MBT-88X2.5X1.3
    MBT-90X2.5X1.25
    MBT-90X2.5X1.5
    MBT-95X2.5X1.25
    MBT-99.8X2.5X1.5
    MBT-100X2.5X1.25
    MBT-105X2.5X1.25
    MBT-109.7X2.5X1.5
    MBT-110X2.5X1.25
    MBT-115X2.5X1.25
    MBT-120X2.5X1.25
    MBT-125X2.5X1.25
    MBT-130X2.5X1.25
    MBT-135X2.5X1.25
    MBT-140X2.5X1.25
    MBT-145X2.5X1.25
    MBT-155X2.5X1.5
    20
    25
    30
    32
    35
    40
    45
    46
    50
    50
    55
    56
    57
    60
    62
    65
    70
    75
    77
    80
    81
    85
    88
    90
    90
    95
    99.8
    100
    105
    109.7
    110
    115
    120
    125
    130
    135
    140
    145
    155
    25
    30
    35
    37
    40
    45
    50
    51
    55
    55
    60
    61
    62
    65
    67
    70
    75
    80
    82
    85
    86
    90
    93
    95
    95
    100
    104.8
    105
    110
    114.7
    115
    120
    125
    130
    135
    140
    145
    150
    160
    1.25
    1.25
    1.25
    1.5
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.5
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.5
    1.25
    1.3
    1.25
    1.5
    1.25
    1.5
    1.25
    1.25
    1.5
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.5
    2.6mm C/S
    MBT-73.7X2.6X1.5
    MBT-74.4X2.6X1.8
    MBT-104X2.6X1.5
    73.7
    74.4
    104
    78.9
    79.6
    109.2
    1.5
    1.8
    1.5
    2.75mm C/S
    MBT-35X2.75X1.5S3540.51.5
    3mm C/S
    MBT-22X3X1.25
    MBT-22.4X3X1.25
    MBT-24X3X1.25
    MBT-25X3X1.25
    MBT-26X3X1.25
    MBT-28X3X1.25
    MBT-29X3X1.25
    MBT-29.5X3X1.25
    MBT-30X3X1.25
    MBT-30X3X2.3
    MBT-31X3X1.25
    MBT-32X3X1.25
    MBT-34X3X1.25
    MBT-35X3X1.25
    MBT-35.5X3X1.25
    MBT-36X3X1.25
    MBT-38X3X1.25
    MBT-39X3X1.25
    MBT-40X3X1.25
    MBT-41X3X1.25
    MBT-42X3X1.25
    MBT-44X3X1.25
    MBT-45X3X1.25
    MBT-46X3X1.25
    MBT-48X3X1.25
    MBT-49X3X1.25
    MBT-50X3X1.25
    22
    22.4
    24
    25
    26
    28
    29
    29.5
    30
    30
    31
    32
    34
    35
    35.5
    36
    38
    39
    40
    41
    42
    44
    45
    46
    48
    49
    50
    28
    28.4
    30
    31
    32
    34
    35
    35.5
    36
    36
    37
    38
    40
    41
    41.5
    42
    44
    45
    46
    47
    48
    50
    51
    52
    54
    55
    56
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    2.3
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    1.25
    3.1mm C/S
    MBT-94.8X3.1X1.7
    MBT-104.8X3.1X1.7
    94.8
    104.8
    101
    111
    1.7
    1.7
    3.5mm C/S
    MBT-62X3.5X1.1
    MBT-82X3.5X1.5G
    MBT-90X3.5X1.5
    62
    82
    90
    69
    89
    97
    1.1
    1.5
    1.5
    4mm C/S
    MBT-25X4X1.5
    MBT-123X4X1.7
    MBT-150X4X1.6
    25
    123
    150
    33
    131
    158
    1.5
    1.7
    1.6
    4.5mm C/S
    MBT-170X4.5X1.9
    MBT-190X4.5X1.9
    170
    190
    179
    199
    1.9
    1.9
    5mm C/S
    MBT-35.25X5X3
    MBT-50X5X1.9
    MBT-52X5X1.9
    MBT-53X5X1.9
    MBT-55X5X1.9
    MBT-55X5X3B
    MBT-55.93X5X1.5
    MBT-56X5X1.9
    MBT-58X5X1.9
    MBT-59.95X5X1.55
    MBT-60X5X1.9
    MBT-62X5X1.9
    MBT-63X5X1.9
    MBT-65X5X1.9
    MBT-67X5X1.9
    MBT-70X5X1.9
    MBT-70X5X1.9S
    MBT-70X5X1.9SB
    MBT-70X5X3SGM
    MBT-71X5X1.9
    MBT-74X5X1.9
    MBT-75X5X1.9
    MBT-80X5X1.9
    MBT-80X5X1.9-B6
    MBT-80X5X3SCG
    MBT-85X5X1.9
    MBT-90X5X1.9
    MBT-93X5X1.7
    MBT-95X5X1.9
    MBT-100X5X1.9
    MBT-105X5X1.9
    MBT-110X5X1.9
    MBT-112X5X1.9
    MBT-115X5X1.9
    MBT-120X5X1.9
    MBT-125X5X1.9
    MBT-130X5X1.9
    MBT-132X5X1.9
    MBT-135X5X1.9
    MBT-140X5X1.9
    MBT-145X5X1.9
    MBT-150X5X1.9
    MBT-155X5X1.9
    MBT-160X5X1.9
    MBT-162X5X1.9
    MBT-165X5X1.9
    MBT-170X5X1.9
    MBT-180X5X1.9
    MBT-180X5X2.5
    MBT-185X5X1.9
    MBT-190X5X1.9
    MBT-195X5X1.9
    MBT-200X5X1.9
    MBT-210X5X1.9
    MBT-214X5X1.9
    MBT-215X5X1.9
    MBT-220X5X1.9
    MBT-230X5X1.9
    MBT-240X5X1.9
    MBT-250X5X1.9
    MBT-260X5X1.9
    MBT-270X5X1.9
    MBT-275X5X1.9
    MBT-280X5X1.9
    MBT-290X5X1.9
    MBT-300X5X1.9
    35.25
    50
    52
    53
    55
    55
    56
    56
    58
    60
    60
    62
    63
    65
    67
    70
    70
    70
    70
    71
    74
    75
    80
    80
    80
    85
    90
    93
    95
    100
    105
    110
    112
    115
    120
    125
    130
    132
    135
    140
    145
    150
    155
    160
    162
    165
    170
    180
    180
    185
    190
    195
    200
    210
    214
    215
    220
    230
    240
    250
    260
    270
    275
    280
    290
    300
    45.25
    60
    62
    63
    65
    65
    66
    66
    68
    70
    70
    72
    73
    75
    77
    80
    80
    80
    80
    81
    84
    85
    90
    90
    90
    95
    100
    103
    105
    110
    115
    120
    122
    125
    130
    135
    140
    142
    145
    150
    155
    160
    165
    170
    172
    175
    180
    190
    190
    195
    200
    205
    210
    220
    224
    225
    230
    240
    250
    260
    270
    280
    285
    290
    300
    310
    3
    1.9
    1.9
    1.9
    1.9
    3
    1.5
    1.9
    1.9
    1.5
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    3
    1.9
    1.9
    1.9
    1.9
    1.9
    3
    1.9
    1.9
    1.7
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    2.5
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    1.9
    6mm C/S
    MBT-325X6X3.53253373.5
    7.4mm C/S
    MBT-100X7.5X2.5SB100114.82.5
    7.5mm C/S
    MBT-95X7.5X3GM
    MBT-112X7.5X3SCG
    MBT-150X7.5X2.75
    MBT-155X7.5X2.75
    MBT-160X7.5X2.75
    MBT-165X7.5X2.75
    MBT-170X7.5X2.75
    MBT-175X7.5X2.75
    MBT-180X7.5X2.75
    MBT-185X7.5X2.75
    MBT-190X7.5X2.75
    MBT-195X7.5X2.75
    MBT-200X7.5X2.75
    MBT-205X7.5X2.75
    MBT-209X7.5X2.75
    MBT-210X7.5X2.5
    MBT-210X7.5X2.75
    MBT-235X7.5X2.75
    MBT-240X7.5X2.75
    MBT-245X7.5X2.75
    MBT-255X7.5X2.75
    MBT-265X7.5X2.75
    MBT-275X7.5X2.75
    MBT-280X7.5X2.75
    MBT-285X7.5X2.75
    MBT-300X7.5X2.75
    95
    112
    150
    155
    160
    165
    170
    175
    180
    185
    190
    195
    200
    205
    209
    210
    210
    235
    240
    245
    255
    265
    275
    280
    285
    300
    110
    127
    165
    170
    175
    180
    185
    190
    195
    200
    205
    210
    215
    220
    224
    225
    225
    250
    255
    260
    270
    280
    290
    295
    300
    315
    3
    3
    2.75
    2.75
    2.75
    2.75
    2.75
    2.75
    2.75
    2.75
    2.75
    2.75
    2.75
    2.75
    2.75
    2.5
    2.75
    2.75
    2.75
    2.75
    2.75
    2.75
    2.75
    2.75
    2.75
    2.75
    7.88mm C/S
    MBT-54X7.88X354.0469.83
    12.5mm C/S
    MBT-170X12.5X4SB
    MBT-180X12.5X4SB
    170
    180
    195
    205
    4
    4