A-A-52471D
A separate label shall be placed below one of the operating instruction labels and inscribed per the following:
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Letter size 3/16 |
Data For Maintenance |
Inscription
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7/64 |
Recharge or replace with a new charged |
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5/64 |
extinguisher “PART NUMBER” |
NMCB |
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5/64 |
Weigh extinguisher cylinder every six months and replace if the gross weight has decreased by four ounces or more. |
NMCB |
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3/32 |
“PART NUMBER”’ |
NMCB |
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3/32 |
“MANUFACTURER’S CAGE CODE” |
NMCB |
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3/32 |
“CONTRACT NO.” |
NMCB |
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3/32 |
“GROSS WEIGHT” |
NMCB |
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7/64 |
Property of the U.S. Government |
BNCM |
o. Cylinder finish. The cylinder finish shall be red, number 11105 in accordance with FED-STD-595. The cylinder finish, including all metal pretreatments and primers, shall contain no more than 0.005 percent by weight (dry film) of cadmium, lead, or chrome. None of the metal pretreatments or cylinder finish materials, at the point of application, shall contain more than 1.5 pounds per gallon of volatile Organic Compounds as defined per EPA Method 24. Cylinder finish coatings shall provide effective substrate corrosion control performance. To verify corrosion control performance, cylinder finish coatings shall withstand 500 hours salt fog exposure per ASTM B117 for steel cylinders and 2000 hours salt fog exposure per ASTM B117 for aluminum cylinders. Cylinder finish coatings shall be considered to have passed the ASTM B117 salt fog test if no substrate corrosion products are visible on the external cylinder surfaces. All cylinder finish coatings shall comply with commercial standards regarding durability, adhesion, and resistance to fluids induced degradation (such as, exposure to lubricating oil, diesel fuel, and hydraulic fluid).
p. Identification and marking. Identification and marking of the fire extinguisher and bracket shall be permanent and legible and shall include, as a minimum, the national stock number (NSN), manufacturer’s cage code and part number. The cylinder markings shall be detailed as specified in salient characteristic (SC) requirements f.2 and n. In addition, the cylinder shall be stamped in accordance with DOT regulations and ANSI/UL 154 requirements.
QUALITY ASSURANCE PROVISIONS (QAP)
a. Responsibility for inspection. The contractor is responsible for all inspections, including examinations and tests.
b. First article. When specified (see Note b) first article inspection shall be performed to verify compliance with the salient characteristic requirements of this document. The first article shall consist of the following:
1. For steel bottles: 9 coated units for fragmentation resistance testing (see SC f.1).
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