DPN - DPN Series

Threaded (UN and UNS) Plugs

Designed for use in aircraft and hydraulic equipment applications and seals out contaminants while protecting threads. A rolled thread allows the cap to be pushed or threaded on. Threads meet UN/UNS specifications.

  • External ribs aid in installation and removal
  • Designed for UN/UNS threads
  • Flanged to create a tight seal

Material: High-Density Polyethylene

Standard Colour: Blue


Type: Fitting Protection, Protection & Finishing , Plugs

Material: Polyethylene, HDPE

Applications: Thread and Flange Protection

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Part Number Dim B (IN) Dim C (IN) Dim D (IN) To Fit Thread Size To Fit Tube Size
DPN-3 0.25 0.28 0.44 3/8-28 3/16
DPN-4 0.31 0.30 0.56 7/16-24 1/4
DPN-5 0.31 0.30 0.62 1/2-24 5/16
DPN-6 0.31 0.32 0.69 9/16-20 3/8
DPN-8 0.31 0.32 0.88 23/32-20 1/2
DPN-10 0.31 0.40 1.00 27/32-18 5/8
DPN-12 0.31 0.42 1.12 1-16 3/4
DPN-14 0.25 0.45 1.25 1-1/8-16 7/8
DPN-16 0.25 0.45 1.38 1-1/4-14 1
DPN-20 0.25 0.45 1.62 1-33/64-14 1-1/4
DPN-21S 0.25 0.46 1.75 1-37/64-14 1-1/4
DPN-24 0.25 0.55 2.00 1-25/32-14 1-1/2
DPN-25S 0.25 0.55 2.12 1-27/32-14 1-1/2
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