BB-H-886E
5. PACKAGING
5.1 Marking. The cylinders shall be marked in accordance with 49 CFR 171-185, and as
specified in the contract or order (see 6.2). The markings shall not be omitted, incorrect,
illegible, or of improper size, location, sequence, or method of application.
5.2 Packaging and packing. The hydrogen of a single grade shall be packaged and packed
together in accordance with the contract or order (see 6.2).
6. NOTES
INFORMATION FOR GUIDANCE ONLY. (This section contains information of a general or
explanatory nature that is helpful, but is not mandatory.)
6.1 Intended use. Grade A hydrogen is intended for use in general industrial applications such
as cutting, welding, and as a lifting medium for meteorological and other balloons. Grade B
hydrogen, a higher purity grade, is intended for use in fuel, hydrogenation and water chemistry
applications. Grade C is of the highest purity and is use in semiconductor, analytical and special
applications.
6.2 Acquisition requirements. Acquisition documents should specify the following:
a.
Title, number, and date of this specification.
b.
Grade required (see 1.2).
c.
Type of cylinder and valve (see 3.2).
d.
When supplier is to furnish cylinders (see 3.2).
e.
When hydrogen is to be contained in supplier-owned cylinders (see 3.2).
f.
When cylinders are to be filled to less than their rated service pressure (see 3.5).
g.
Any allowable variance from specified impurity levels (see 4.3.3).
h.
Packaging requirements (see 5.1 and 5.2).
6.3 Part or identification number (PIN). The following part or identification number numbering
procedure is for government purposes and does not constitute a requirement for the contractor.
BBH886 - X XXXXX
Volume of cylinder 1: 100CF = 100 cubic feet
200CF = 200 cubic feet
300CF = 300 cubic feet
Grade: A = Grade A - 99.95 percent hydrogen
B = Grade B - 99.99 percent hydrogen
C = Grade C - 99.999 percent hydrogen
Federal specification number
1
The volume of the cylinder may be modified for ease of procurement and is not
otherwise limited. The volume codes listed above are not all inclusive and are
provided only for example.
6
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