Sealing Plugs for Unified/Straight Threads protect Unified/Straight-threaded ports and fittings from moisture, dust and damage during production, shipping and storage. The yellow nylon material offers high resistance against hydraulic fluids, solvents, acids and base alkalines.
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Item #

Item Name

Flange Outside Diameter

To Fit Standard Thread

Stem Height

04MSPU0437-20RD4 N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 7/16-20 Size Thread N/A 0.820 in20.8 mm N/A 7/16-20 N/A 0.350 in8.9 mm
04MSPU0437-20RD4NO N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 7/16-20 Size Thread N/A 0.820 in20.8 mm N/A 7/16-20 N/A 0.350 in8.9 mm
04MSPU0500-20RD4 N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 1/2-20 Size Thread N/A 0.900 in22.9 mm N/A 1/2-20 N/A 0.390 in9.9 mm
04MSPU0500-20RD4NO N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 1/2-20 Size Thread N/A 0.900 in22.9 mm N/A 1/2-20 N/A 0.390 in9.9 mm
04MSPU0562-18RD4 N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 9/16-18 Size Thread N/A 0.98 in24.9 mm N/A 9/16-18 N/A 0.390 in9.9 mm
04MSPU0562-18RD4NO N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 9/16-18 Size Thread N/A 0.98 in24.9 mm N/A 9/16-18 N/A 0.390 in9.9 mm
04MSPU0625-18RD4 N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 5/8-18 Size Thread N/A 0.98 in24.9 mm N/A 5/8-18 N/A 0.470 in11.9 mm
04MSPU0625-18RD4NO N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 5/8-18 Size Thread N/A 0.98 in24.9 mm N/A 5/8-18 N/A 0.470 in11.9 mm
04MSPU0750-16RD4 N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 3/4-16 Size Thread N/A 1.020 in25.9 mm N/A 3/4-16 N/A 0.510 in13.0 mm
04MSPU0750-16RD4NO N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 3/4-16 Size Thread N/A 1.020 in25.9 mm N/A 3/4-16 N/A 0.510 in13.0 mm
04MSPU0875-14RD4 N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 7/8-14 Size Thread N/A 1.33 in33.8 mm N/A 7/8-14 N/A 0.470 in11.9 mm
04MSPU0875-14RD4NO N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 7/8-14 Size Thread N/A 1.33 in33.8 mm N/A 7/8-14 N/A 0.470 in11.9 mm
04MSPU1062-12RD4 N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 1 1/16-12 Size Thread N/A 1.610 in40.9 mm N/A 1 1/16-12 N/A 0.470 in11.9 mm
04MSPU1062-12RD4NO N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 1 1/16-12 Size Thread N/A 1.610 in40.9 mm N/A 1 1/16-12 N/A 0.470 in11.9 mm
04MSPU1313-12RD4 N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 1 5/16-12 Size Thread N/A 1.65 in41.9 mm N/A 1 5/16-12 N/A 0.590 in15.0 mm
04MSPU1313-12RD4NO N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 1 5/16-12 Size Thread N/A 1.65 in41.9 mm N/A 1 5/16-12 N/A 0.590 in15.0 mm
04MSPU1625-12RD4 N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 1 5/8-12 Size Thread N/A 2.280 in57.9 mm N/A 1 5/8-12 N/A 0.590 in15.0 mm
04MSPU1625-12RD4NO N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 1 5/8-12 Size Thread N/A 2.280 in57.9 mm N/A 1 5/8-12 N/A 0.590 in15.0 mm
04MSPU0437-20YW5 N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 7/16-20 Size Thread N/A 0.820 in20.8 mm N/A 7/16-20 N/A 0.350 in8.9 mm
04MSPU0437-20YW5NO N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 7/16-20 Size Thread N/A 0.820 in20.8 mm N/A 7/16-20 N/A 0.350 in8.9 mm
04MSPU0500-20YW5 N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 1/2-20 Size Thread N/A 0.900 in22.9 mm N/A 1/2-20 N/A 0.390 in9.9 mm
04MSPU0500-20YW5NO N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 1/2-20 Size Thread N/A 0.900 in22.9 mm N/A 1/2-20 N/A 0.390 in9.9 mm
04MSPU0562-18YW5 N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 9/16-18 Size Thread N/A 0.98 in24.9 mm N/A 9/16-18 N/A 0.390 in9.9 mm
04MSPU0562-18YW5NO N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 9/16-18 Size Thread N/A 0.98 in24.9 mm N/A 9/16-18 N/A 0.390 in9.9 mm
04MSPU0625-18YW5 N/A Sealing Plug to Fit Unified Fine (UNF)/Straight 5/8-18 Size Thread N/A 0.98 in24.9 mm N/A 5/8-18 N/A 0.470 in11.9 mm
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