No. An identification document must contain the name, residence address, date of birth and photograph of the holder. A Social Security card does not, by itself, contain sufficient information to identify a firearms purchaser. However, a purchaser may be identified by any combination of government–issued documents which together establish all of the required information.
[27 CFR 478.11 and 478.124(c)]
[27 CFR 478.11 and 478.124(c)]