NSF Product and Service Listings

These NSF Official Listings are current as of Monday, June 30, 2025 at 12:15 a.m. Eastern Time. Please contact NSF to confirm the status of any Listing, report errors, or make suggestions.

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NSF Automotive Coefficient of Friction Registration

Manufacturer Name Unique Identification Code Friction Coefficient Code Expiration Date
Ask Technica Corporation ASK CL06 FF 10/18/2021
Ask Technica Corporation ASK CL70 FF 04/27/2023
Ask Technica Corporation ASK RX01 GG 06/28/2025
Ask Technica Corporation ASK RX02 GG 06/28/2025
Ask Technica Corporation ASK RX03 GG 06/28/2025
Ask Technica Corporation ASK RX04 GG 06/28/2025
Ask Technica Corporation ASK RX05 GG 06/28/2025
Ask Technica Corporation ASK SF1 FF 04/25/2023
Ask Technica Corporation ASK SF11 GG 03/25/2025
Ask Technica Corporation ASK SF12 GG 03/25/2025
Ask Technica Corporation ASK SF14 FF 03/28/2025
Ask Technica Corporation ASK SF15 FF 03/28/2025
Ask Technica Corporation ASK SF2 FF 04/25/2023
Ask Technica Corporation ASK SF22 EE 03/22/2025
Ask Technica Corporation ASK SF23 FF 03/24/2025
Ask Technica Corporation ASK SF24 FF 03/24/2025
Ask Technica Corporation ASK SF3 FF 03/23/2025
Ask Technica Corporation ASK SF6 FF 08/30/2020
Ask Technica Corporation ASK UP-U FF 04/24/2023
Ask Technica Corporation ASK UP-W FF 03/23/2025

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