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Connector for Fluid Power and General Use—Ports and Stud End with ASME B1.1 Threads and O-Ring Seal—Part 4: External Hex and Internal Hex Inch Port Plugs—Dimensions, Design, Test Methods and Requirements
- Ground Vehicle Standard
- J1926/4_201008
- Revised
Downloadable datasets available
Annotation ability available
Sector:
Issuing Committee:
Language:
English
Scope
This part defines performance requirements, dimensions, and designs for −2 through −32 internal and external hex port plugs for use in SAE J1926-1 ports. Testing and usage through many years confirm the performance requirements of port plugs made from carbon steel. The port plugs were specified in SAE J514 without any performance requirements. They have been developed and tested to gain a 4:1 working pressure rating for industrial applications.
In fluid power systems, power is transmitted and controlled through a fluid (liquid or gas) under pressure within an enclosed circuit. In general applications, a fluid may be conveyed under pressure. Components are connected through their threaded ports by stud ends on fluid conductor fittings to tubes and pipes or to hose fittings and hoses.
For threaded ports and stud ends specified in new designs in hydraulic fluid power applications, only ISO 6149 shall be used. Threaded ports and stud ends in accordance with ISO 1179, ISO 9974, and ISO 11926 are not to be used in new designs in hydraulic fluid power applications.
Conformance to the dimensional information in this part of SAE J1926 does not guarantee rated performance. Each manufacturer should perform testing according to the specification contained in this part of SAE J1926 to assure that components comply with the performance ratings.
Rationale
Standard has been revised to correct the Tolerances for Internal Hex Size S2 in Table 2 which was previously defined in 4.2 as per ISO 4759-1. The ISO specification was for metric sizes only and did not satisfy the concerns of the C1 committee regarding the smaller size torque limitations.
Topic
Data Sets - Support Documents
Title | Description | Download |
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Unnamed Dataset 1 | ||
Unnamed Dataset 2 | ||
Unnamed Dataset 3 | ||
Unnamed Dataset 4 | ||
TABLE 1 | DIMENSIONS OF EXTERNAL HEX PORT PLUGS | |
TABLE 2 | DIMENSIONS OF INTERNAL HEX PORT PLUGS | |
TABLE 3 | PRESSURES FOR EXTERNAL HEX, AND INTERNAL HEX PORT PLUGS | |
TABLE 4 | TEST TORQUES FOR HEAVY-DUTY (S SERIES) EXTERNAL HEX PLUG SCREWS | |
TABLE 5 | TEST TORQUES FOR INTERNAL HEX PORT PLUGS | |
TABLE B1 | DIMENSIONS OF PORT PLUG LOCKWIRE | |
TABLE C1 | ALLOWABLE METRIC HEX SIZES |
Issuing Committee
Hydraulic Tube Fittings Committee
The Hydraulic Tube Fittings Subcommittee of the FCCTC develops and maintains SAE Standards, Recommended Practices and Information Reports relating to hydraulic and pneumatic tube fittings for all fluid power applications except hydraulic and pneumatic brake applications Participants in the FCCTC Hydraulic Tube Fittings Subcommittee include OEMs, suppliers, consulting firms, government and other interested parties.
Reference
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