MIL-PRF-27401G
one cited in the solicitation or contract (see 6.2).
DEPARTMENT OF DEFENSE STANDARDS
MIL-STD-101
Color Code for Pipelines and for Compressed Gas Cylinders
MIL-STD-1411
Inspection and Maintenance of Compressed Gas Cylinders
COMMERCIAL ITEM DESCRIPTIONS
A-A-58092
Tape, Antiseize, Polytetrafluorethylene
A-A-59860
Valves, Cylinder, Gas (For Compressed or Liquefied Gases)
(Copies of these documents are available online at https://assist.dla.mil or from the Standardization
Document Order Desk, 700 Robbins Avenue, Bldg 4D, Philadelphia PA 19111-5094.)
2.3 Non-government publications. The following documents form a part of this document to the
extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the
solicitation or contract.
ASTM INTERNATIONAL
ASTM E 29
Standard Practice for Using Significant Digits in Test Data to
Determine Conformance with Specifications (DoD Adopted)
ASTM F 307
Standard Practice for Sampling Pressurized Gas for Gas Analysis
(DoD Adopted)
ASTM F 310
Standard Practice for Sampling Cryogenic Aerospace Fluids (DoD
Adopted)
(Copies of these documents are available online at https://www.astm.org or by mail at ASTM International,
100 Barr Harbor Drive, P.O. Box C700, West Conshohocken PA 19428-2959)
COMPRESSED GAS ASSOCIATION (CGA)
CGA G-10.1
Commodity Specification for Nitrogen
CGA P-15
Filling of Industrial and Medical Nonflammable Compressed Gas
Cylinders
(Copies of these documents are available online at https://www.cganet.com or by mail from the
Compressed Gas Association, Inc., 14501 George Carter Way, Suite 103, Chantilly, VA 20151)
2.4 Order of precedence. In the event of a conflict between the text of this document and the
references cited herein, the text of this document takes precedence. Nothing in this document, however,
supersedes applicable laws and regulations unless a specific exemption has been obtained.
3.
REQUIREMENTS
3.1 Grade requirements. The nitrogen purity and the impurity concentrations as applicable to
each grade of nitrogen shall conform to the limits of Table I when tested in accordance with the applicable
test method also specified in Table I. Other limits and tests may be specified by the procuring activity
(see 6.2).
3.2 Limiting values. The following applies to all specified limits in this specification: For
purposes of determining conformance with these requirements, an observed value or a calculated value
3
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