46 CFR § 160.060-4
Materials—nonstandard vests
April 15, 2021
(a) General. All materials used in nonstandard buoyant vests must be equivalent to those specified in §160.060-3 and be obtained from a supplier who furnishes an affidavit in accordance with the requirements in §160.060-3(a).
(b) Reinforcing tape. When used, the reinforcing tape around the neck shall be 3⁄4 ″ cotton tape weighing not less than 0.18 ounce per linear yard having a minimum breaking strength of not less than 120 pounds.
[CGFR 65-37, 30 FR 11590, Sept. 10, 1965, as amended by CGD 72-163R, 38 FR 8122, Mar. 28, 1973]