| 0DA255 | U1500 | ABINGDON KING DICK |
| 1C8355 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| DEF STAN 51-11 PART 1 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| BS192-TABLE 2 1-11/16X1-7/8A/F | K7766 | BRITISH STANDARDS INSTITUTION |
| TABLE 2. 1 11/16 A/F X 1 7/8 A/F | K7766 | BRITISH STANDARDS INSTITUTION |
| J2 168187 | U3925 | HATBOX HEATERS LTD |
| TABLE I(E) 1-11/16X1-7/8A/F | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |