| 50030 | 81955 | SUPERINTENDENT OF DOCUMENTS GOVERNMENT PRINTING OFFICE |
| 7530-00-239-8479 | 83421 | NATIONAL INDUSTRIES FOR THE BLIND |
| FEDSTD54 | 06542 | FEDERAL STANDARDS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| A-A-2892 | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| UU-P-21TY1 | 80244 | GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE |
| UU-P-21 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |