S-1443N133 0.364" ID x 35/64" OD x 1 1/2" Long ASME B1.20.1, ASTM A733 Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe with Sealant

Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe with Sealant

1505FA00021 Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe with Sealant
1505FA00021 Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe with Sealant

Image may differ from product. See technical specification for details.

Part No.
Part No. 1505FA00021
Equivalent to mcmaster :
1443N133

Basic Information

For Use With Air, Natural Gas, Oil, Steam, Water
Shape Straight
Type Pipe
Schedule 40
Construction Seamless
Material 316/316L Stainless Steel
Specifications Met ASME B1.20.1, ASTM A733
RoHS RoHS 3 (2015/863/EU) Compliant
Features PTFE Thread Sealant

Connection Parameters

Threading Threaded on Both Ends
Connection Type Pipe
Connection Style Threaded
Thread Type NPT
Gender Male

Dimension Parameters

Pipe Size 1/4
Length 1 1/2"
OD 35/64"
ID 0.364"
Wall Thickness 0.088"

Material & Accessories Parameters

For Fitting Class 150
For Fitting Material 316 Stainless Steel, 316/316L Stainless Steel
For Flange Material 316 Stainless Steel, 316/316L Stainless Steel
For Flange Class 150
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Leak-proof performance with factory-applied PTFE thread sealant for immediate, reliable sealing without additional compounds
  • Exceptional corrosion resistance from 316/316L stainless steel construction, ideal for harsh chemical and marine environments
  • Seamless design eliminates weak points, enhancing pressure integrity and preventing failure under stress
  • Multi-medium compatibility safely handles air, natural gas, oil, steam, and water in demanding industrial systems
  • Precision threading per ASME B1.20.1 NPT standard ensures easy installation and secure, vibration-resistant connections
  • Long-term durability with RoHS 3 compliance and ASTM A733 certification for regulated and high-purity applications
  • Ready-to-install configuration with male threaded both ends simplifies maintenance and reduces assembly time

Professional Applications & Engineering Value

This 316/316L stainless steel threaded pipe nipple delivers critical sealing reliability in industrial pipe systems conveying aggressive media. The seamless construction and PTFE thread sealant work synergistically to prevent leakage at connection points—a common failure point under thermal cycling and pressure fluctuations in oil and gas, steam lines, and compressed air systems. Engineered to Class 150 pressure ratings, it maintains integrity in high-temperature and corrosive fluid handling, while the NPT threads ensure compatibility with standard fittings. By integrating the sealant during manufacturing, it eliminates on-site application errors, reducing installation time and potential downtime in maintenance or new builds.

Specification Summary & Compliance

This Schedule 40 pipe nipple features precision NPT threads per ASME B1.20.1 with standard Class 2A tolerances for reliable engagement. Manufactured from seamless 316/316L stainless steel in compliance with ASTM A733 for consistent material properties and dimensions. The product is RoHS 3 (2015/863/EU) Compliant, ensuring adherence to environmental regulations for hazardous substance restrictions. Suitable for use with 150 class fittings and flanges in air, natural gas, oil, steam, and water service.

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