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66386 1/4 BLACK CAP

SKU 610-2180
Sold out
Original price $2.40 - Original price $2.40
Original price $2.40
$2.40
$2.40 - $2.40
Current price $2.40
In-Store Availability
Stock Status: 10+ Location: Aisle 9
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In-Store Only — Visit us in Gap, PA to purchase

Overview

The 66386 1/4 Black Cap (B300 8) is designed for Hardware > Plumbing > Plumbing Fittings & Supports applications, specifically for closing the end of a pipe or fitting using a threaded female connection.

Specification Value
MPN B300 8
Brand Worldwide Sourcing (Prosource)
Nominal Size 1/4 in
Connection Type FIP (Female Iron Pipe)
Thread Type Female NPT
Wall Thickness 0.09 in
Length 0.63 in
Operating Pressure 300 PSI
Operating Temperature -4°F to 572°F (-20°C to 300°C)
Schedule Rating Schedule 40
Material 150 Class Malleable Iron
Finish Black
Weight 3.91 lb
Certifications UL Listed, FM Certified
Standards ASTM, ASME

Technical Features

  • 150 Class Malleable Iron Construction: Provides structural durability and resistance to mechanical stress in pressurized pipe systems.
  • 300 PSI Pressure Rating: Supports high-pressure applications, reducing risk of fitting failure under demanding operating conditions.
  • Wide Operating Temperature Range (-4°F to 572°F): Suitable for both low-temperature and high-heat environments, including steam and hot fluid systems.
  • Female NPT Threads: Designed to connect directly to a male pipe or fitting, ensuring a secure, leak-resistant threaded seal.
  • Schedule 40 Rating: Compatible with standard Schedule 40 pipe systems for consistent, predictable fit and performance.
  • Black Finish: Provides surface protection and visual identification consistent with black iron pipe systems.
  • UL Listed and FM Certified: Meets independently verified safety and performance standards for use in fire protection and industrial installations.
  • Meets ASTM and ASME Standards: Confirms dimensional and material compliance with recognized industry specifications.

Applications

  • Closing off the open end of a 1/4 in male pipe or fitting in plumbing and piping systems.
  • Use in fire protection systems where FM and UL certifications are required.
  • Suitable for installations involving steam, hot fluids, or cold-temperature environments given the broad thermal operating range.
  • Compatible with black iron pipe systems in residential, commercial, and industrial plumbing configurations.
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