MIL-P-6640C (NOTICE-2), DETAIL SPECIFICATION: PNEUMATIC BAG, AIRCRAFT LIFTING, 12-TON CAPACITY, TYPE F-2 (30-OCT-2013)
MIL-P-6640C (NOTICE-2), DETAIL SPECIFICATION: PNEUMATIC BAG, AIRCRAFT LIFTING, 12-TON CAPACITY, TYPE F-2 (30-OCT-2013)., MIL-P-6640C, dated 14-Mar-1996, remains inactive for new design;
however, the document is valid for use.