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1.800.387.7115

1.877.432.3627

  • HOI - Internal Housing Inverted Ring
  • DMR HOI Image
Functions like an HO ring in a housing/bore. only the lugs are "reversed." This version reduces the distance the lugs of the standard HO extend into the inner circumference of the housing/bore and allows for another assembly to pass through unimpeded.

Size Range: .625 in - 2.5 in
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Daemar P/N

Housing Diameter - Dh

Groove Diameter - Dg

Groove Width - W

Groove Depth - d

Ring Free Diameter - Df

Ring Thickness - T

HOI-0062-PA N/A 0.625 in15.90 mm N/A .665 in N/A .029 in N/A .020 in N/A .675 in N/A 0.025 in
HOI-0075-PA N/A 0.750 in19.00 mm N/A .796 in N/A 0.039 in N/A .023 in N/A .808 in N/A 0.035 in
HOI-0081-PA N/A 0.812 in20.60 mm N/A .862 in N/A 0.046 in N/A .025 in N/A .877 in N/A 0.042 in
HOI-0087-PA N/A 0.875 in22.20 mm N/A .931 in N/A 0.046 in N/A .028 in N/A .944 in N/A 0.042 in
HOI-0093-PA N/A 0.938 in23.80 mm N/A 1.000 in N/A 0.046 in N/A .031 in N/A 1.015 in N/A 0.042 in
HOI-0100-PA N/A 1.000 in25.40 mm N/A 1.066 in N/A 0.046 in N/A .033 in N/A 1.081 in N/A 0.042 in
HOI-0106-PA N/A 1.062 in27.00 mm N/A 1.130 in N/A 0.056 in N/A .034 in N/A 1.150 in N/A 0.050 in
HOI-0112-PA N/A 1.125 in28.60 mm N/A 1.197 in N/A 0.056 in N/A .036 in N/A 1.217 in N/A 0.050 in
HOI-0118-PA N/A 1.188 in30.20 mm N/A 1.262 in N/A 0.056 in N/A .037 in N/A 1.283 in N/A 0.050 in
HOI-0125-PA N/A 1.250 in31.70 mm N/A 1.330 in N/A 0.056 in N/A .040 in N/A 1.351 in N/A 0.050 in
HOI-0131-PA N/A 1.312 in33.30 mm N/A 1.396 in N/A 0.056 in N/A .042 in N/A 1.418 in N/A 0.050 in
HOI-0137-PA N/A 1.375 in34.90 mm N/A 1.461 in N/A 0.056 in N/A .043 in N/A 1.486 in N/A 0.050 in
HOI-0143-PA N/A 1.438 in36.50 mm N/A 1.528 in N/A 0.056 in N/A .045 in N/A 1.552 in N/A 0.050 in
HOI-0150-PA N/A 1.500 in38.10 mm N/A 1.594 in N/A 0.056 in N/A .047 in N/A 1.622 in N/A 0.050 in
HOI-0156-PA N/A 1.562 in39.70 mm N/A 1.658 in N/A 0.068 in N/A .048 in N/A 1.688 in N/A 0.062 in
HOI-0162-PA N/A 1.625 in41.30 mm N/A 1.725 in N/A 0.068 in N/A .050 in N/A 1.756 in N/A 0.062 in
HOI-0168-PA N/A 1.688 in42.90 mm N/A 1.792 in N/A 0.068 in N/A .052 in N/A 1.823 in N/A 0.062 in
HOI-0175-PA N/A 1.750 in44.40 mm N/A 1.858 in N/A 0.068 in N/A .054 in N/A 1.891 in N/A 0.062 in
HOI-0187-PA N/A 1.875 in47.60 mm N/A 1.989 in N/A 0.068 in N/A .057 in N/A 2.025 in N/A 0.062 in
HOI-0200-PA N/A 2.000 in50.80 mm N/A 2.122 in N/A 0.068 in N/A .061 in N/A 2.160 in N/A 0.062 in
HOI-0206-PA N/A 2.062 in52.40 mm N/A 2.186 in N/A 0.086 in N/A .062 in N/A 2.224 in N/A 0.078 in
HOI-0212-PA N/A 2.125 in54.00 mm N/A 2.251 in N/A 0.086 in N/A .063 in N/A 2.295 in N/A 0.078 in
HOI-0237-PA N/A 2.375 in60.30 mm N/A 2.517 in N/A 0.086 in N/A .071 in N/A 2.567 in N/A 0.078 in
HOI-0243-PA N/A 2.438 in61.90 mm N/A 2.584 in N/A 0.086 in N/A .072 in N/A 2.634 in N/A 0.078 in
HOI-0250-PA N/A 2.500 in63.50 mm N/A 2.648 in N/A 0.086 in N/A .074 in N/A 2.700 in N/A 0.078 in
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