These are the known serial numbers from the Anderson, South Carolina plant.
Many of these serial numbers have been reported by individual Featherweight Fanatics.
Unless indicated by an "*" they are not the actual high or low serial numbers allotted by Singer.
| Date | Low in allotment | High in allotment | Model | # allotted |
|---|
| 1951-52 | NA |  | | |
| NA011124 | | 301 | |
| NA014023 | | 301 | |
| NA018250 | | 301 | |
| 5/29/51 | NA018629 | NA141565 | 301 | |
| NA059210 | | 301 | |
| NA173419 | | 301A | |
| 5/29/51 | NA190604 | NA494652 | 301A | |
| | NA385845 | | 301A | |
| NA659719 | | 401 | |
| NA721277 | | 401A | |
| NA792910 | | 401 | |
| NA850221 | | 401 | |
| 1956 | NB | | | |
| NB003248 | | 301A | |
| NB060500 | | 301A | |
| NB062166 | | 301A | |
| NB081758 | | 301A | |
| NB091645 | | 301A | |
| NB142805 | | 301A | |
| NB147207 | | 301A | |
| NB165326 | | 301A | |
| 5/29/51 ? | NB168896 | | 301A | |
| NB374384 | | | |
| NB552414 | | 401A | |
| NB630763 | | 403A | copyright on manual 1958 |
| NB785251 | | 401A | |
| 1/1/58 | NB793679 | | 401A | |
| NB898701 | | 401A | |
| 1959-1960 | NC000632 | | 403A | Another source says the NC series began in 1961 |
| NC428189 | | 503A | |
| NC465530 | | 503A | Purchased 10/61 |