NPTF - L1+L3

NPTF plug gages G-GR-LD are designed to inspect the pitch diameter and functional thread for internal-thread components. All plug gages are available with Certificate of Accuracy documentation.

  • Gage dimensions according to ANSI/ASME B1.20.5
  • Short form certificate is supplied at no additional charge
  • Long form certificate is available on request
  • Thread gages are for NPTF pipe thread forms only
  • Manufactured with hardened tool steel for durability
  • A cleansing channel is ground into the GO side to eliminate thread damage from dirt and grime
  • Gages have a recessed minor thread diameter for safe functionality
  • Knurled handle for maximum gripping ability and safety
  • NO-GO side is clearly marked with a Red ring
  • Gage handles have a double surface for marking leaving ample space for custom marking
  • Reduced thread start diameter construction for easy insertion

NPTF - L1+L3
Part Number Description Stock
L0520100.5782 1/16-27 NPTF -Gage-Go/No-Go L1+L3
L0520100.5783 1/8-27 NPTF - Gage - Go/No-Go L1+L3
L0520100.5784 1/4-18 NPTF - Gage - Go/No-Go L1+L3
L0520100.5785 3/8-18 NPTF - Gage - Go/No-Go L1+L3
L0520100.5786 1/2-14 NPTF - Gage - Go/No-Go L1+L3
L0520100.5787 3/4-14 NPTF - Gage - Go/No-Go L1+L3