CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER Q—EQUIPMENT, CONSTRUCTION, AND MATERIALS: SPECIFICATIONS AND APPROVAL (parts 159 to 165) > PART 160—LIFESAVING EQUIPMENT > SUBPART 160.050—Specification for a Buoy, Life Ring, Unicellular Plastic (§160.050-1 to §160.050-7) > 160.050-2—Types and sizes.

160.050-2—Types and sizes.

(a) Type. Life buoys shall be of the annular ring type as described in this subpart, but alternate arrangements meeting the performance requirements set forth will be given special consideration.
(b) Sizes. Ring life buoys shall be of the sizes set forth in Table 160.050-2(b). A tolerance of a plus or minus 5 percent will be allowable on the dimensions indicated in Table 160.050-2(b).
Table 160.050-2(b)—Sizes and Dimensions of Ring Life Buoys
Size Dimensions (inches) Finished ring
30-inch 30
24-inch 24
20-inch 20
[CGFR 54-46, 19 FR 8707, Dec. 18, 1954, as amended by CGFR 62-17, 27 FR 9045, Sept. 11, 1962]