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Standard

Drawing Interpretation and Standard Machining Practices, Couplings, Fittings and Hose Ends, Fluid Systems

2013-08-15
HISTORICAL
AS4296
This SAE Aerospace Standard(AS) provides general information for the interpretation and clarification ofengineering drawing requirements relating to the manufacture and inspection of fluid system couplings, tube fittings, and hose ends. Because it is impractical to define every minute detail of the part on the face of the drawing, this standarddescribes interpretations of dimensioning of general machining features and otherwise undefined tolerances that fall under the heading of “good shop practice”. This standard is supplemental to ASME Y14.5M-1994 and explains, defines and interprets drawing terms or practices that are not addressed by, ASME Y14.5M-1994. Unless otherwise specified in this standard, drawing interpretations contained in ASME Y14.5M-1994 shall apply.
Standard

Drawing Interpretation and Standard Machining Practices, Couplings, Fittings and Hose Ends, Fluid Systems

2014-10-07
HISTORICAL
ARP4296A
This SAE Aerospace Recommended Practice (ARP) is intended to interpret and clarify engineering drawing requirements relating to the manufacture and inspection of fluid system couplings, tube fittings, and hose ends. Because it is impractical to define every minute detail of the part on the face of the drawing, this document describes interpretations of dimensioning of general machining features and otherwise undefined tolerances that fall under the heading of "good shop practice". This document serves as a supplement to engineering drawings when referenced on applicable documents.
Standard

Drawing Interpretation and Standard Machining Practices, Couplings, Fittings, and Hose Ends, Fluid Systems

2023-06-02
CURRENT
AS4296A
This SAE Aerospace Standard (AS) provides general information for the interpretation and clarification of engineering drawing requirements relating to the manufacture and inspection of fluid system couplings, tube fittings, and hose ends. Because it is impractical to define every minute detail of the part on the face of the drawing, this standard describes interpretations of dimensioning of general machining features and otherwise undefined tolerances that fall under the heading of “good shop practice.” This standard is supplemental to ASME Y14.5M-1994 and explains, defines, and interprets drawing terms or practices that are not addressed by ASME Y14.5M-1994. Unless otherwise specified in this standard, drawing interpretations contained in ASME Y14.5M-1994 shall apply.
Standard

HOSE ASSEMBLY, POLYTETRAFLUOROETHYLENE (PTFE), WIRE REINFORCED 204 °C, 28 000 kPa, HYDRAULIC, METRIC

1994-01-01
HISTORICAL
MA614
This SAE Aerospace Standard establishes the requirements for polytetrafluoroethylene (PTFE) hose assemblies for use in aerospace hydraulic systems at temperatures between -55 °C and 204 °C and at a nominal pressure up to 28 000 kPa (280 bar). The hose assemblies are also suitable for use within the same temperature and pressure limitations in aerospace pneumatic systems where some gaseous diffusion through the wall of the PTFE liner can be tolerated. The use of these hose assemblies in high pressure pneumatic storage systems is not recommended. In addition, installations in which the limits specified herein are exceeded, or in which the application is not covered specifically by this document, for example, oxygen, shall be subject to the approval of the purchaser.
Standard

HOSE ASSEMBLY, POLYTETRAFLUOROETHYLENE, PARA-ARAMID REINFORCED HEAVY-DUTY, 275 °F 3000 psi, AIRCRAFT HYDRAULIC SYSTEMS

1995-09-01
HISTORICAL
AS4623A
This document defines the requirements for heavy-duty polytetrafluoroethylene (PTFE) lined, para-aramid reinforced, hose assembly suitable for use in 275 °F, 3000 psi aircraft systems where rapid rate pressure pulsing and torsional/longitudinal flexing may occur in addition to normal hydraulic system loading. Size -16 and -20 are limited to +225 °F service.
Standard

HOSE ASSEMBLY, TETRAFLUOROETHYLENE, 400°F 3000 PSI HYDRAULIC, HEAVYWEIGHT

1989-05-17
HISTORICAL
AS604B
This specification covers heavy braid hose assemblies intended for use in high-temperature, 400°F (204°C), high-pressure, 3000 psi (210 bar) aircraft hydraulic systems, also for use in pneumatic systems which allow some gaseous diffusion through the PTFE wall. The -20 size operating temperature is limited to 275°F (57°C) maximum.
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