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 \(see 6.1 and 6.2\).

Pages 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20

MIL-DTL-62547D

3.6.2.2 Identification marking.

3.6.2.2.1 Receiver bottle. Required DOT markings, as shown on the applicable drawing,

shall be plainly stamped as specified by DOT 3A or 3AA with the following (see 4.4.4.2.2):

DOT-3AA1800 or DOT-3A1800, as applicable

A serial number preceded by the letters "US"

The code identification and Army part numbers

An identifying symbol (letter)

The symbol must be registered with the Bureau of Explosives.

Examples:

DOT-3AA1800

DOT-3A18OO

US1234

US5678

19207-12273264

19207-12314511

3AA1800-US1234-19207-12273264-X or DOT-3A1800-US5678-19207-12314511-Z

The inspector s official mark shall be placed near the serial number and date of inspection

(as 9-83 for September 1983).

3.6.2.2.2 Components. Components of the extinguisher shall be marked in accordance

with MIL-STD-130 and DOT 3A or 3AA or equivalents, as applicable (see 4.4.4.2.2).

3.6.2.2.3 Caution plate. After marking, painting, and assembly with the valve, a caution

plate shall be attached to the receiver bottle as shown on Drawing 12370460. The caution plate

shall be in accordance with Drawing 12314504 and shall withstand the operating environmental

conditions of 3.7. The empty weight of the extinguisher shall be marked as specified in 3.5.1.1.

All other weights shall be within the limits of table III and marked as specified in 3.5.1.2 (see

4.4.4.2.2).

3.6.2.2.4 Tag. A fire extinguisher record tag (Drawing 2588282 or Drawing 12376271)

shall be affixed (wired) to the bottle neck as shown on Drawing 12370460. The tag shall include

actual filled weights as well as who filled the extinguisher, where the extinguisher was filled and

when the extinguisher was filled (see 4.4.4.2.2).

3.6.2.3 Finish. Unless otherwise specified (see 6.2), all exterior surfaces, except

connectors, ports, sliding and sealing surfaces and component interface shall be painted in

accordance with manufacturers standard practice. The color of the topcoat shall conform to

Insignia Red, #11136 or OSHA Safety Red, #11105 of FED-STD-595, or equivalent (see 6.2). If

corrosion resistant steel is used, finish number 5.5.1 of MIL-STD-171, or equivalent, shall be