EFC International
EFC International
1940 Craigshire St. Louis,
MO 63146-4008
Phone: 1 314.434.28881
Contact: www.efc-intl.com/contact
Website: www.efc-intl.com
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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.
Sealing Plugs for Unified Fine (UNF)/Straight Threads
Unit of Measure
1 2 

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
Unit of Measure
1 2