Torque Specifications for Hose End Fittings
Torque values and tightening methods for aluminum fittings (Aeroquip)
Copied from Van's Aircraft Tech Q&A on 2026-10-01. Source: Torque Specifications for Hose End Fittings.
Official PDF: Torque_Spec_Aluminum_Fittings.pdf (1 page). If the viewer below does not load, open the PDF with this link.
What is in this document
This is page 45 of an Aeroquip catalog, posted on Van's Tech Q&A. It is shown above as published rather than retyped, so the torque values come straight from the source. The page footer says it is part of a complete catalog containing technical and safety data that must be reviewed when selecting a product.
Contents of the page
- Torque Specifications for Aluminum Fittings
- Torque Specification Guidelines (nut sizes -02 through -32, minimum and maximum torque in inch pounds for aluminum fittings)
- Alternate Tightening Method One: Flats Method (number of hex flats rotation by size)
- Alternate Tightening Method Two
- Conversion Tables: Inch and Millimeter Equivalents; Converting Units of Measure
The page notes that the alternate methods are for aluminum performance fittings and adapters, and refers to Bulletin JA14A for steel fittings.