Folds to 5-1/2 x 6-3/8 inch (140 x 162mm); no. 20 envelope; eezeemount gray paperboard; used for bite wing history
NSN 5855-01-108-9106
NSN 6220-00-961-7246
NSN 6110-01-071-6270
NSN 5945-00-959-6309
NSN 6645-01-025-1002
NSN 6145-01-392-1146
NSN 5960-01-505-2426
NSN 6240-01-643-1262
NSN 6240-01-578-2334
NSN 2925-01-464-3093
NSN 5920-01-004-2602
NSN 5835-01-227-2318