We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Brass countersink plug with male NPT threads, one-inch size, gold-coloured finish

Value Brand

Value Brand Brass Countersink Plug MNPT 1 in 200 psi

SKU CH-RF9X-RPDN2

Brass countersink plug with 1 in MNPT threads rated to 200 psi and -20 to 400 °F

  • Brass construction resists corrosion in plumbing systems
  • 1-inch MNPT thread fits standard pipe connections
  • Rated for 200 psi maximum operating pressure
  • Withstands temperatures from -20 to 400 degrees Fahrenheit
  • Pre-applied thread sealant not included for custom sealing

Brass Countersink Plug 1 in MNPT

This brass countersink plug provides a 1 inch MNPT threaded closure for plumbing systems. It is intended for installers who need a reliable pipe-end seal in water, air or compatible fluid lines. The fitting arrives new and ready for assembly without additional sealant.

Pressure and Temperature Limits

The plug is rated for a maximum operating pressure of 200 psi and a service range from -20 to 400 degrees Fahrenheit. These boundaries define the practical envelope for safe installation and long-term performance in the intended piping network.

California Proposition 65 Notice

This product contains a chemical known to the State of California to cause cancer and birth defects or other reproductive harm. Buyers who require a fitting without such a warning must select an alternative component that carries no Proposition 65 listing.

Highlights

  • Brass construction resists corrosion in plumbing systems
  • 1-inch MNPT thread fits standard pipe connections
  • Rated for 200 psi maximum operating pressure
  • Withstands temperatures from -20 to 400 degrees Fahrenheit
  • Pre-applied thread sealant not included for custom sealing

Specifications

BrandZoro Select

Questions about this item

Should I pick the 1 inch countersink plug for my piping job?

The 1 inch nominal pipe size matches standard 1 inch NPT threads, so choose it when your system uses that exact thread diameter.

What does the 200 psi rating mean once the plug is installed?

It means the plug can hold up to 200 psi of internal pressure at temperatures between -20 and 400 degrees F without leaking.

How does the MNPT thread standard limit what I can connect?

The male NPT taper threads seal only with matching female NPT fittings; they will not seal properly on straight threads or other thread forms.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.