NAS1756-24, as the name suggests, is a warning streamer with the phrase "REMOVE BEFORE FLIGHT" etched into its surface. It is made of nylon fabric and is coated with PVC. This particular flag is 24 inches in length, is red with white lettering, and includes a brass grommet.
Alternate PN#s: 67D34391-1
Boeing PN/Spec#: 223-53208-11