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Heyco® Plugs for Threaded Ports

For NPT Threaded Ports

  • Part Numbers and Specifications
  • Features

THREADED
PORT
PART NO. DESCRIPTION PART DIMENSIONS CAD
  A
Square
Socket Head
B
Depth
C
Head
Height
D
Shoulder
Diameter
in. mm. in. mm. in. mm.

For NPT Threaded Ports - Square Head - Red Color

1/8 G5400 PNPT 1/8 .28 .44 11,2 .25 6,4 n/a n/a CAD
1/4 G5401 PNPT 1/4 .37 .48 12,2 .25 6,4 CAD
3/8 G5402 PNPT 3/8 .44 .56 14,2 .25 6,4 CAD
1/2 G5403 PNPT 1/2 .56 .59 15,0 .25 6,4 CAD
3/4 G5404 PNPT 3/4-S ** .62 .62 15,7 .25 6,4 1.11 28,3
1 G5405 PNPT 1-S ** .81 .72 18,3 .31 7,9 1.40 35,6
1-1/4 G5406 PNPT 1-1/4 1.00 .75 19,1 .35 8,9 n/a n/a CAD
1-1/2 G5407 PNPT 1-1/2 1.25 .94 23,9 .38 9,7 CAD

**NPS threaded hub with shoulder

  • Provide a positive seal on NPS threaded ports.
  • Flange compresses against the mounting hole surface area, keeping contaminants from the spot face.
  • Square Head; Part Nos. G5404 and G5405 have integral Shoulder Washer.
  • Applicable Specs: MIL-C-52078, MIL-C-5501/5, NAS 840.
  • Red color

QuickSpecs

Material HDPE
Temperature Range 0°F (-18°C) to 165°F (74°C)
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