MIL-DTL-62547 Valve And Cylinder Assemblies, Halon 1301This specification covers three classes of fixed fire extinguishers, referred to herein as "extinguishers", "valve and cylinder assemblies" and "assemblies", and an electrically and manually actuated discharge valve, referred to herein as "discharge valve" and "valve". These items are used with bromotrifluoromethane \(Halon 1301\) fire extinguishing systems in military vehicles \(see 6.1 and 6.2\).

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MIL-DTL-62547D

(Copies of these documents are available from DAMI_STANDARDIZATION@conus.army.mil

or U.S. Army RDECOM, Tank Automotive Research, Development and Engineering Center,

ATTN: RDTA-EN/STND/TRANS MS #268, 6501 E. 11 Mile Road, Warren, MI 48397-5000.)

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 (see 6.2).

ASTM INTERNATIONAL

ASTM D5632

Standard Specification for Halon 1301,

Monobromotrifluoromethane (CF3Br)

ASTM G21

Standard Practice for Determining Resistance of Synthetic

Polymeric Materials to Fungi

(Copies of these documents are available from www.astm.org or ASTM International,

P.O. Box C700, West Conshohocken, PA 19428-2959.)

INSTITUTE OF ENVIRONMENTAL SCIENCES AND TECHNOLOGY (IEST)

IEST-STD-CC1246 - Product Cleanliness Levels and Contamination Control

Program.

(Copies of this document may be purchased from the IEST - Institute of Environmental Sciences

and Technology, Arlington Place One, 2340 South Arlington Heights Road, Suite 100, Arlington

Heights, IL 60005-4516 or website: https://www.iest.org/)

2.4 Order of precedence. Unless otherwise noted herein or in the contract, 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 First article. When specified (see 6.2), a sample shall be subjected to first article

inspection in accordance with 4.1.1.

3.2 Materials. Materials shall be as specified herein and as specified in referenced

specifications, standards and drawings. There shall be no adverse corrosion effects on materials

or protective coatings from Halon 1301 and the minute quantities of water present in Halon

1301, nitrogen and ambient air. Materials, including elastomeric compounds, shall be suitable

for use over an ambient temperature range of minus (-) 51 to 71 degrees Celsius (�C) [-60 to

160 degrees Fahrenheit (�F)] without any temporary or permanent dimensional changes that