NSF Product and Service Listings

These NSF Official Listings are current as of Thursday, January 15, 2026 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
Nan Hoang Traffic Instrument Co., Ltd. AG2016 FG 09/19/2020
Nan Hoang Traffic Instrument Co., Ltd. NHC NC-SP FF 11/30/2020
Nan Hoang Traffic Instrument Co., Ltd. NHC NC-XP GG 11/28/2020
Nan Hoang Traffic Instrument Co., Ltd. RA756 GG 09/18/2020

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