NAVAIR 06-20-20-2 Gas Cylinders (Chapter 6)

Question 1

What is covered by chapter 6 of the NAVAIR 06-20-2?

Answer 1

Hydrostatic test requirements for compressed gas cylinders at the organizational and intermediate level

Question 2

What facilities can perform hydrostatic tests on gas cylinders?

Answer 2

Contractor facilities that have been approved and registered with the DOT. Military facilities that perform hydro testing must also be approved by the DOT

Question 3

If shipping EMPTY cylinders for refill, what must be ensure?

Answer 3

Ensure that EMPTY cylinders are not due for hydrostatic test. If hydrostatic test is within 45 days of being due, request contractor to perform one before filling

Question 4

Cylinders shall not be shipped overseas when hydrostatic test will come due within _____ months.

Answer 4

6 months. These cylinders are limited to shipment within the continental US

Question 5

Hydrostatic rest dates. Where shall the test date be stamped on the cylinder?

Answer 5

Each time a cylinder is retested, the date is stamped on the shoulder of the cylinder with a steel stamp to indicate the month and year of he test

Question 6

What cylinders are exempted from hydrostatic tests?

Answer 6

All cylinders not exceeding 2 inches outside diameter and a length of less than 2 feet are exempted from hydrostatic retest.
Cylinders designated3E, 4C, 8 or 8AL are exempted from hydrostatic retest

Question 7

How to requalify DOT-8 cylinders

Answer 7

Owners of DOT-8 series cylinders used to transport acetylene must have the cylinder shell and porous filler requalified IAW CGA Pamphlet C-13