Tapered Caplugs, Used As Cap Or Plug -- T-1070 [T-1070 from Caplugs]
from Daemar Inc.

Tapered Caplugs can be used as either caps or plugs. Because they are tapered in design and made from highly pliable (or flexible) polyethylene, they can not only be applied to fit snugly but are readily removable...whether used for capping or plugging. Especially recommended for use on MIL Std. and... [See More]

  • NPT Thread: 4" NPT
  • Features: Tapered; Flange
  • Shape / Application: Round
  • Diameter: 4.27 to 4.43
Bull Plug, Round Head,4 In,NPT,Steel -- 4WGH8 [0338198559 from Anvil International]
from Grainger Industrial Supply

Bull Plug, Round Head, 4 In., NPT, Material of Construction Carbon Steel, Standards MSS-SP-95 [See More]

  • NPT Thread: 4" NPT
  • Material: Steel - Stainless
  • Shape / Application: Round
Hydraulic Flange Plug -- PSCFP80/L/114BS
from Parker Hannifin China

Square flange plug ISO 6164 - Square flange plug ISO 6164; ISO 6164 SQUARE FLANGE [See More]

  • NPT Thread: 4" NPT
  • Features: Flange
  • Shape / Application: Square
Flange Plug -- FPR4A
from Alliance Plastics

Specifications: Material: Low-Density Polyethylene. Color: Black. Applicable Spec: ANSI B16.5. Features: Protects petroleum-, gas- and water-type valve flanges. Protects raised machine face and pipe interior from dirt and moisture during shot and sandblasting operations. Bolt holes are not covered... [See More]

  • NPT Thread: 4" NPT
  • Features: Tapered; Flange
  • Shape / Application: Round
  • Fitted Depth: 0.9250