Vi-Cas Manufacturing Company
Vi-Cas Manufacturing Company
8407 Monroe Avenue,
Cincinnati, OH 45236
Phone: 513-791-7741
Fax: 513-791-6484
Website: www.vi-cas.com
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National Instrument Type Tightening Discs
Dimensional Drawing - National Instrument Type Tightening Discs
Unit of Measure
1 

Item #

Item Name

Dimension A - Wedge Angle

Dimension B - Height

Dimension C - Inside Diameter

Dimension D - Outside Diameter

N1-V N/A N1 - National Instrument Type Vinyl Tightening Disc N/A 66 º N/A 0.68 in N/A 0.86 in N/A 0.93 in
N2-V N/A N2 - National Instrument Type Vinyl Tightening Disc N/A 64 º N/A 0.75 in N/A 1.05 in N/A 1.24 in
N2 1/2-V N/A N2 1/2 - National Instrument Type Vinyl Tightening Disc N/A 62 º N/A 0.87 in N/A 1.25 in N/A 1.48 in
N3-V N/A N3 - National Instrument Type Vinyl Tightening Disc N/A 56 º N/A 1.00 in N/A 1.46 in N/A 1.67 in
N4-V N/A N4 - National Instrument Type Vinyl Tightening Disc N/A 70 º N/A 1.00 in N/A 1.73 in N/A 1.98 in
N5-V N/A N5 - National Instrument Type Vinyl Tightening Disc N/A 80 º N/A 0.93 in N/A 2.11 in N/A 2.33 in
N6-V N/A N6 - National Instrument Type Vinyl Tightening Disc N/A 64 º N/A 1.00 in N/A 2.45 in N/A 2.7 in
N70-V N/A N70 - National Instrument Type Vinyl Tightening Disc N/A 123 º N/A 1.25 in N/A 2.97 in N/A 3.12 in
N75-V N/A N75 - National Instrument Type Vinyl Tightening Disc N/A 124 º N/A 1.25 in N/A 3.5 in N/A 3.79 in
N90-V N/A N90 - National Instrument Type Vinyl Tightening Disc N/A 118 º N/A 1.25 in N/A 4.06 in N/A 4.31 in
N100-V N/A N100 - National Instrument Type Vinyl Tightening Disc N/A 124 º N/A 1.25 in N/A 5.31 in N/A 5.56 in
N110-V N/A N110 - National Instrument Type Vinyl Tightening Disc N/A 123 º N/A 1.25 in N/A 6 in N/A 6.25 in
N1-P N/A N1 - National Instrument Type Polyurethane Tightening Disc N/A 66 º N/A 0.68 in N/A 0.86 in N/A 0.93 in
N2-P N/A N2 - National Instrument Type Polyurethane Tightening Disc N/A 64 º N/A 0.75 in N/A 1.05 in N/A 1.24 in
N2 1/2-P N/A N2 1/2 - National Instrument Type Polyurethane Tightening Disc N/A 62 º N/A 0.87 in N/A 1.25 in N/A 1.48 in
N3-P N/A N3 - National Instrument Type Polyurethane Tightening Disc N/A 56 º N/A 1.00 in N/A 1.46 in N/A 1.67 in
N4-P N/A N4 - National Instrument Type Polyurethane Tightening Disc N/A 70 º N/A 1.00 in N/A 1.73 in N/A 1.98 in
N5-P N/A N5 - National Instrument Type Polyurethane Tightening Disc N/A 80 º N/A 0.93 in N/A 2.11 in N/A 2.33 in
N6-P N/A N6 - National Instrument Type Polyurethane Tightening Disc N/A 64 º N/A 1.00 in N/A 2.45 in N/A 2.7 in
N70-P N/A N70 - National Instrument Type Polyurethane Tightening Disc N/A 123 º N/A 1.25 in N/A 2.97 in N/A 3.12 in
N75-P N/A N75 - National Instrument Type Polyurethane Tightening Disc N/A 124 º N/A 1.25 in N/A 3.5 in N/A 3.79 in
N90-P N/A N90 - National Instrument Type Polyurethane Tightening Disc N/A 118 º N/A 1.25 in N/A 4.06 in N/A 4.31 in
N100-P N/A N100 - National Instrument Type Polyurethane Tightening Disc N/A 124 º N/A 1.25 in N/A 5.31 in N/A 5.56 in
N110-P N/A N110 - National Instrument Type Polyurethane Tightening Disc N/A 123 º N/A 1.25 in N/A 6 in N/A 6.25 in
Unit of Measure
1