S-4475K53 0.423" ID x 43/64" OD x 4" Long ASME B1.20.1, ASTM A733 Thick-Wall Stainless Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316/316L stainless steel construction for extended service life in harsh chemical and marine environments
• Exceptional pressure handling with Schedule 80 thick-wall design and 3000 PSI fitting class rating for demanding hydraulic and steam applications
• Reliable leak-proof connections through precision NPT threading manufactured to ASME B1.20.1 standards
• Enhanced structural integrity with seamless construction that eliminates weak points and prevents failure under high-pressure cycling
• Multi-medium compatibility for safe use with air, hydraulic fluids, natural gas, oil, steam, and water systems
• Regulatory compliance assurance meeting ASTM A733 specifications and RoHS 3 directives for global industrial applications
• Optimized flow characteristics with precise 0.423" ID maintaining consistent pressure and volume in critical fluid systems

Professional Applications & Engineering Value

This heavy-duty Schedule 80 stainless steel threaded pipe nipple solves critical engineering challenges in high-pressure industrial systems. The 316/316L seamless construction provides unmatched resistance to pitting and crevice corrosion, making it ideal for chemical processing, marine applications, and offshore platforms where equipment longevity is paramount. The NPT thread form ensures secure, leak-tight connections in hydraulic systems and steam lines where pressure fluctuations and thermal cycling would compromise inferior fittings. With its 4-inch length and thick-wall design, this pipe nipple maintains structural integrity under extreme operating conditions while the male threaded both ends configuration simplifies installation in complex piping networks. Engineering teams specify this component for critical applications where failure is not an option, including power generation, oil and gas distribution, and industrial processing systems requiring reliable performance with multiple media types.

Specification Summary & Compliance

This threaded pipe nipple features precision NPT threads conforming to ASME B1.20.1 standards with Class 2A thread tolerances for consistent engagement. Manufactured according to ASTM A733 specifications for seamless welded and seamless stainless steel mechanical tubing, the component maintains dimensional accuracy with 3/8" pipe size, 06 dash size, 0.423" ID, and 43/64" OD. The product is RoHS 3 (2015/863/EU) compliant and suitable for use with flange classes 300 and 600, ensuring compatibility with standard industrial piping systems and regulatory requirements for hazardous substance restrictions.