46 CFR § 164.019-3 - Definitions.

---
identifier: "/us/cfr/t46/s164.019-3"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 164.019-3 - Definitions."
title_number: 46
title_name: "Shipping"
section_number: "164.019-3"
section_name: "Definitions."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "Q"
subchapter_name: "EQUIPMENT, CONSTRUCTION, AND MATERIALS: SPECIFICATIONS AND APPROVAL"
part_number: "164"
part_name: "MATERIALS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 3306, 3703, 4302; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; DHS Delegation 00170.1, Revision No. 01.4."
cfr_part: "164"
---


# 164.019-3 Definitions.

*Acceptance* means certification by the Coast Guard that a component is suitable for use in the manufacture of Coast Guard-approved PFDs.

*Commandant* means the Chief of the Lifesaving and Fire Safety Division, Office of Engineering and Design Standards, U.S. Coast Guard. Address: Commandant (CG-ENG-4), Attn: Lifesaving and Fire Safety Division, U.S. Coast Guard Stop 7509, 2703 Martin Luther King Jr. Avenue SE., Washington, DC 20593-7509; telephone 202-372-1392.

*Component manufacturer* means either a component manufacturer or supplier seeking acceptance of a component, or a component manufacturer or supplier who has obtained acceptance of a component.

*Inspector* means a Coast Guard marine inspector, authorized representative of the Coast Guard, or a recognized laboratory representative.

*Non-standard component* means a PFD component which is equivalent in performance to a standard component.

*PFD Type* means the performance type designation as indicated in 33 CFR part 175 and this subchapter.

*Standard component* means a PFD component which complies in all respects with the material, construction, and performance requirements of a subpart of this part or part 160 of this chapter.

*Use Code* means an alphanumeric code assigned by the Commandant (CG-ENG-4) to a PFD component to designate the PFD Type(s) in which it may be used. Assigned Use Codes are listed in table 164.019-3.

Table 164.019-3

| Use code | PFD type acceptable for use |
| --- | --- |
| 1 | I, II, and III. |
| 2 | II and III. |
| 3 | III. |
| 4B | IV (all Ring Buoys). |
| 4BC | IV (Buoyant Cushions). |
| 4RB | IV (Recreational Ring Buoys only). |
| 5 | Wearable Type V (intended use must be specified). |
| 5H | V (Hybrid). |
| 5R | V (Recreational Style). |
| 5SB | V (Sailboard vests). |
| 5WV | V (Work vests). |
| 6 | Special, limited, or restricted use. |
| Suffix A | Adult only. |
| Suffix C | Child only. |

[CGD 84-068, 58 FR 29494, May 20, 1993, as amended by CGD 95-072, 60 FR 50467, Sept. 29, 1995; CGD 96-041, 61 FR 50734, Sept. 27, 1996; USCG-2006-25697; 71 FR 55747, Sept. 25, 2006; USCG-2009-0702, 74 FR 49238, Sept. 25, 2009; USCG-2013-0671, 78 FR 60162, Sept. 30, 2013]