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 5999-01-319-4556
NSN 6645-01-424-4667
NSN 5960-01-262-5048
NSN 5985-01-415-7796
NSN 2925-01-371-6853
NSN 6320-00-164-4087
NSN 5930-01-344-7222
NSN 6130-01-411-1400
NSN 5945-01-094-9303
NSN 6130-00-100-0175
NSN 6650-00-113-7698
NSN 6110-00-252-2113