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Standard

VISUAL INSPECTION GUIDE FOR INSTALLED HOSE ASSEMBLIES

1982-03-01
HISTORICAL
ARP1658
This recommended practice covers visible surface defects on aerospace hose assemblies which have been installed and are functioning within a working environment at the time of visual inspection.
Standard

Torsion Strength Testing of Hydraulic Tube Joints

2013-01-02
HISTORICAL
ARP4457
This Aerospace Recommended Practice (ARP) establishes uniform requirements and procedures to determine the torsional strength of permanent hydraulic tube joints. It also establishes testing equipment and apparatus for torsion testing.
Standard

Method for Determining Relative Specific Gravity Polytetrafluoroethylene Tubing

2014-10-06
CURRENT
ARP1153A
This document describes a method for determining the specific gravity of tubing, fabricated from polytetrafluoroethylene, after a controlled heating and cooling cycle. The specific gravity obtained by this method is a measure of relative molecular weight of the resin. The measure, termed relative specific gravity (RSG), increases with decreasing molecular weight (see 2.3).
Standard

METHOD FOR DETERMINING RELATIVE SPECIFIC GRAVITY POLYTETRAFLUOROETHYLENE TUBING

1970-02-01
HISTORICAL
ARP1153
This specification describes a method for determining the specific gravity of tubing, fabricated from polytetrafluoroethylene, after a controlled heating and cooling cycle. The specific gravity obtained by this method is a measure of relative molecular weight of the resin. The measure, termed Relative Specific Gravity (RSG), increases with decreasing molecular weight (see 2.3).
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