[INCH-POUND]
A-A-50464B
February 13, 1996
SUPERSEDING
A-A-50464A
April 7, 1989
COMMERCIAL ITEM DESCRIPTION
CAP, FLUE, CYLINDRICAL
The General Services Administration has authorized the use of this commercial item description, for all federal agencies.
1. SCOPE. The flue caps are intended to be used as a chimney outlet component for single wall flue gas vent from oil-fired appliances.
2. CLASSIFICATION. The flue caps shall conform to the following class and sizes:
2.1 Class
Class 1 – Galvanized steel (ASTM A525).
Class 2 - Stainless steel (ASTM A167).
2.2 Size
Size A - For 3-inch (76 millimeters (mm)) chimney pipe.
Size B - For 4-inch (102 mm) chimney pipe.
Size C - For 6-inch (152 mm) chimney pipe.
Size D - For 8-inch (203 mm) chimney pipe.
Size E - For 10-inch (254 mm) chimney pipe.
Size F - For 12-inch (305 mm) chimney pipe.
3. SALIENT CHARACTERISTICS. The flue caps shall be designed and constructed to conform to Underwriters Laboratories (UL) 103. The thickness of the steel sheet and the shape of the cap shall be in accordance with manufacturer’s standard practices. Inlet connections shall match and fit the circular chimney pipe openings for the same size as specified herein.
4. REGULATORY REQUIREMENTS. The offeror/contractor is encouraged to use recovered materials in accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR).
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Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data which may improve this document should be sent to: Commanding Officer (Code 156), Naval Construction Battalion Center, 1000 23rd Avenue, Port Hueneme, CA 93043-4301, by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. |
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited
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