MIL-PRF-25508H
This specification is approved for use by all Departments and Agencies of the Department of Defense.
1.
SCOPE
1.1 Scope. This specification covers the requirements for three grades and two types of
oxygen.
1.2 Classification. The oxygen will be of the following types and grades as specified (see 6.2).
1.2.1 Types. The types of oxygen are as follows:
Type I Gaseous
Type II Liquid
1.2.2 Grades. The grades of oxygen are as follows:
Grade A 99.6 percent pure, standard
Grade B 99.5 percent pure, reduced standard
Grade F 99.990 percent pure, fuel cell and breathing
1.3 Part or identifying number (PIN). The PIN's to be used for oxygen acquired to this
specification are created as follows:
M
25508 - X
X
Example of PIN: M25508-2B
Grade (see 1.2.2).
Type (see 1.2.1). Use 1 for Type I, 2 for Type II.
Specification number.
Prefix for military specification.
2.
APPLICABLE DOCUMENTS
2.1 General. The documents listed in this section are specified in sections 3, 4, or 5 of this
specification. This section does not include documents cited in other sections of this specification or
recommended for additional information or as examples. While every effort has been made to ensure the
completeness of this list, document users are cautioned that they must meet all specified requirements of
documents cited in sections 3, 4, or 5 of this specification, whether or not they are listed.
2.2 Government documents.
2.2.1 Specifications, standards, and handbooks. The following standard forms a part of this
document to the extent specified herein. Unless otherwise specified, the issues of this document are
those cited in the solicitation or contract (see 6.2).
2
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