Groco Combo Thru-Hull Fitting with Nut

The Groco Thru Hull fitting is made of bronze and comes with a flanged retaining nut. The design of this thru hull fitting allows for an increased flow compared to standard thru hulls.

Features:

• NPSM/NPT combination thread
• UL Listed 647B
• Material: C83600 Bronze or #316 Stainless Steel

Specifications:

• 1/2" NPS:
  • A: 2.2
  • B: 0.3
  • C: 1.7
• 3/4" NPS/BSPP:
  • A: 2.2
  • B: 0.3
  • C: 1.9
• 1" NPS/BSPP:
  • A: 2.85
  • B: 0.3
  • C: 2.32
• 1 1/4" NPS/BSPP:
  • A: 2.9
  • B: 0.3
  • C: 2.62
• 1 1/2" NPS/BSPP:
  • A: 3.15
  • B: 0.3
  • C: 2.89
• 2" NPS/BSPP:
  • A: 3.9
  • B: 0.3
  • C: 3.33
• 2 1/2" NPS:
  • A: 3.56
  • B: 0.42
  • C: 4.4
• 3" NPS:
  • A: 4
  • B: 0.42
  • C: 5.5
• 4" NPS:
  • A: 5.31
  • B: 0.56
  • C: 7