MIL-T-28690(YD) (NOTICE 1), MILITARY SPECIFICATION, TRUCK, FIREFIGHTING, STRUCTURAL, 1,000 GPM, 4 BY 2 WITH 50 FOOT TELESCOPING BOOM ESCAPE LADDER AND
MIL-T-28690(YD) (NOTICE 1), MILITARY SPECIFICATION, TRUCK, FIREFIGHTING, STRUCTURAL, 1,000 GPM, 4 BY 2 WITH 50 FOOT TELESCOPING BOOM ESCAPE LADDER AND WATER TOWER (8 JUL 1997)., This notice should be filed in front of MIL-T-28690(YD), dated 28 October 1991. MIL-T-28690(YD) is inactive for new design and is no longer used, except for replacement purposes. This specification will be maintained until acquisition of the product is no longer required, whereupon the specification will be canceled.