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ASME B1.20.7 Hose Coupling Screw Threads, Inch - Reaffirmed 2013, 1991
- Foreword
- Standards Committee Roster
- CONTENT
- 1 Scope [Go to Page]
- 1.1 Purpose
- 1.2 Federal Government Use
- 1.3 Reference Documents
- 2 Thread Designations
- 3 Tolerances [Go to Page]
- 3.1 For Nipple (External) Threads
- 3.2 For Coupling Swivel (Internal) Threads
- 4 Acceptability
- Figure [Go to Page]
- 1 Thread Form for American National Standard Hose Coupling Threads, NPSH, NH, and NHR
- Tables [Go to Page]
- 1 Design Dimensions of American National Standard Hose Coupling Threads, NPSH, NH, and NHR
- 2 Product External Thread Limits of Size and Tolerances for American National Standard Hose Coupling Threads, NPSH, NH,
- 3 Product Internal Thread Limits of Size and Tolerances for American National Standard Hose Coupling Threads, NPSH, NH
- 4 Lengths of Threads for American National Standard Hose Coupling Threads, NPSH, NH, and NHR
- 5 Variations in Lead and Half-Angle Consuming One-Half of Pitch Diameter Tolerances for American National Standard Hose
- 6 Gage Limits of Size of Ring Gages for External (Nipple) Threads for American National Standard Hose Coupling Threads,
- 7 Gage Limits of Size of Plug Gages for Internal (Coupling Swivel) Threads for American National Standard Hose Coupling
- 8 Setting Plug Gage Limits of Size for Ring Gages for American National Standard Hose Coupling Threads, NPSH, NH, and N
- Appendix [Go to Page]
- A American National Fire-Hose Coupling Threads [Go to Page]
- A1 Scope
- Tables [Go to Page]
- A1 Basic Dimensions of American National Fire-Hose Coupling Threads, NH
- A2 Thread Limits of Size and Tolerance for NH Internal Thread (Couplings)
- A3 Limits of Size and Tolerances of NH External Threads (Nipples) [Go to Page]
