NATIONAL FIBERGLASS HIN Decoder
Hull Identification Numbers beginning with NFG were assigned by the US Coast Guard to NATIONAL FIBERGLASS of E NORWALK, CT. The company is recorded as out of business since 1980 — common for older hulls, and useful to know when hunting parts or records. Enter the full 12-character HIN below for build date, model year, and serial — free, no account.
MIC
NFG
Location
E NORWALK, CT
In business
—
Status
Out of business (1980)
NATIONAL FIBERGLASS hulls (1972–1980) predate the current HIN format — expect the legacy straight-year (MMYY) or model-year (M + year + month letter) date codes used 1972–1984.
Free · no account · the HIN is on the transom, upper starboard (right) corner
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NATIONAL FIBERGLASS HIN FAQ
What does a NATIONAL FIBERGLASS HIN look like?
It starts with the three characters "NFG" — the Manufacturer Identification Code the US Coast Guard assigned to NATIONAL FIBERGLASS — followed by a 5-character hull serial and a 4-character date code, 12 characters total. NATIONAL FIBERGLASS hulls (1972–1980) predate the current HIN format — expect the legacy straight-year (MMYY) or model-year (M + year + month letter) date codes used 1972–1984.
Is NATIONAL FIBERGLASS still in business?
USCG records list NATIONAL FIBERGLASS as out of business since 1980. That's common for older hulls — the HIN still decodes normally, and the out-of-business date helps date the boat and guides parts-hunting toward salvage and owner groups rather than a dealer network.
How do I decode the year on a NATIONAL FIBERGLASS HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. NATIONAL FIBERGLASS hulls (1972–1980) predate the current HIN format — expect the legacy straight-year (MMYY) or model-year (M + year + month letter) date codes used 1972–1984. Enter the full 12-character HIN above and the decoder works it out, including the legacy formats.
Other builders in CT
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "NATIONAL FIBERGLASS HIN Decoder," carwhere.com/hin-decoder/nfg, last verified 2026-06-12.