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: HDPE, Polyethylene

Applications: Thread and Flange Protection

Request a Call Back

For more information or to order samples we'd be pleased to call you back.

Part Number Dim B (mm) Dim C (mm) Dim D (mm) To Fit Thread Size To Fit Tube Size
DPN-3 6.35 7.11 11.18 3/8-28 3/16
DPN-4 7.87 7.62 14.22 7/16-24 1/4
DPN-5 7.87 7.62 15.75 1/2-24 5/16
DPN-6 7.87 8.13 17.53 9/16-20 3/8
DPN-8 7.87 8.13 22.35 23/32-20 1/2
DPN-10 7.87 10.16 25.40 27/32-18 5/8
DPN-12 7.87 10.67 28.45 1-16 3/4
DPN-14 6.35 11.43 31.75 1-1/8-16 7/8
DPN-16 6.35 11.43 35.05 1-1/4-14 1
DPN-20 6.35 11.43 41.15 1-33/64-14 1-1/4
DPN-21S 6.35 11.68 44.45 1-37/64-14 1-1/4
DPN-24 6.35 13.97 50.80 1-25/32-14 1-1/2
DPN-25S 6.35 13.97 53.85 1-27/32-14 1-1/2