PART 1241—SAFETY STANDARD FOR CRIB MATTRESSES Authority: 15 U.S.C. 2056a. Source: 87 FR 8673, Feb. 15, 2022, unless otherwise noted. § 1241.1 Scope. This part establishes a consumer product safety standard for crib mattresses. The scope of this standard for crib mattresses includes all crib mattresses within the scope of ASTM F2933, Standard Consumer Safety Specification for Crib Mattresses, § 1241.2 Requirements for crib mattresses. (a) Except as provided in paragraph (b) of this section, each crib mattress must comply with all applicable provisions of ASTM F2933-25 (incorporated by reference, see § 1241.3). (b) Comply with ASTM F2933-25 with the following additions or exclusions: (1) Instead of complying with section 5.6.1.1 of ASTM F2933-25, comply with the following: (i) 5.6.1.1 Mattress Size 1/4 5/8 (ii) [Reserved] (2) Instead of complying with section 5.6.2 through 5.6.2.2 of ASTM F2933-25, comply with the following: (i) 5.6.2 Non-Full-Size Crib Mattresses (ii) 5.6.2.1 Mattress supplied with a non-full-size crib: Stability; Cord/Strap Length; Mattresses for Rigid sided products; Crib Side Height. (iii) 5.6.2.2 After-market mattresses for non-full-size cribs: Stability; Cord/Strap Length; Mattresses for Rigid sided products; Crib Side Height. (iv) 5.6.2.3 The after-market mattress must be at least the same size as the original equipment mattress or larger and lay flat on the floor of the product, in contact with the product mattress support structure. (v) 5.6.2.4 If the original equipment mattress includes a floor support structure, the after-market mattress must include a floor support structure that is at least as thick as the original equipment mattress floor support structure. (vi) 5.6.2.5 If the original equipment mattress includes storage accommodations for the product instruction manual, the after-market mattress shall provide equivalent storage accommodations for the product instruction manual. (3) Instead of complying with section 5.8 through 5.8.1.2 of ASTM F2933-25, comply with the following: (i) 5.8 After-Market Mattress for Play Yard (ii) 5.8.1 For Mesh/Fabric Sided Play Yard Products. (A) 5.8.1.1 The after-market mattress and product it is tested in shall meet the applicable requirements of the following sections of ASTM F406 when tested with each brand and model of product for which it is intended to replace the mattress: Stability; Cord/Strap Length; Mattress; Height of Sides; Floor Strength; Mattress Vertical Displacement. (B) 5.8.1.2 If the aftermarket mattress is intended to be used in the bassinet of a play yard with a bassinet attachment, the mattress shall also meet the applicable requirements of the following sections of ASTM F2194 (incorporated by reference, see § 1241.3) when tested with each brand and model for which it is intended to replace the mattress: Mattress Thickness for Fabric or Mesh Sided Products; Mattress dimensions; Side Height; Bassinets with Segmented Mattresses. (4) Renumber section 6.2.2 of ASTM F2933-25 to section 6.2.3. (5) Renumber section 6.2.2.1 of ASTM F2933-25 to section 6.2.3.1. (6) Renumber section 6.2.2.2 of ASTM F2933-25 to section 6.2.3.2. (7) Renumber section 6.2.2.3 of ASTM F2933-25 to section 6.2.3.3. (8) Renumber section 6.2.2.4 of ASTM F2933-25 to section 6.2.3.4. (9) Add the following paragraphs to section 6.2.3 of ASTM F2933-25: (i) 6.2.3.5 The test mattress sheet shall be placed on the mattress such that each sheet edge is wrapped fully around and under the mattress. (ii) 6.2.3.6 Repeat step 6.2.3.2. Then measure the shortest gap between the mattress and the projected crib corner after the dimensions of the mattress have been recorded. The projected crib corner is located 53 in. ± 1/8 5/8 1/8 (iii) 6.2.3.7 Rotate the mattress 180° such that the opposing corner is adjacent to Walls C and D, then repeat 6.2.3.6. (10) Instead of complying with section 6.2.2 of ASTM F2933-25, comply with the following: (i) 6.2.2 Test Equipment-Mattress Sheet. (A) 6.2.2.1 The mattress sheet shall be 100% cotton and fitted for the mattress to be tested. (B) 6.2.2.2 The mattress sheet shall be washed in hot water (50 °C [122 °F] or higher) and dried a minimum of two times on the highest setting using household textile laundering units. This shall be the test mattress sheet. (ii) [Reserved] (11) Add the following Figure to section 6 of ASTM F2933-25: Figure 12. Figure 12. Projected Crib Corner and Corner Gap Measurement Location [87 FR 8673, Feb. 15, 2022; 87 FR 41060, July 11, 2022, as amended at 91 FR 6515, Feb. 12, 2026] § 1241.3 Incorporation by reference. Certain material is incorporated by reference into this part with the approval of the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. All approved incorporation by reference (IBR) material is available for inspection at the U.S. Consumer Product Safety Commission and at the National Archives and Records Administration (NARA). Contact the U.S. Consumer Product Safety Commission at: Office of the Secretary, U.S. Consumer Product Safety Commission, 4330 East West Highway, Bethesda, MD 20814; telephone (301) 504-7479, email [email protected]. www.archives.gov/federal-register/cfr/ibr-locations [email protected]. www.astm.org/READINGLIBRARY/: (a) ASTM F406-24, Standard Consumer Safety Specification for Non-Full-Size Baby Cribs/Play Yards, approved August 1, 2024; into § 1241.2. (b) ASTM F2194-25, Standard Consumer Safety Specification for Bassinets and Cradles, approved August 1, 2025; into § 1241.2. (c) ASTM F2933-25, Standard Consumer Safety Specification for Crib Mattresses, approved October 1, 2025; into § 1241.2. [91 FR 6516, Feb. 12, 2026]