Heavy du type 32 sub stock
An envelope, usually made of a paper product. The face may be plain or preprinted with or without an open or glassine address window. The closure may be a gummed flap or a button and string fastener. When required a smaller envelope may be glued on the right face of the larger envelope. The interior may have a printed opaquing design and/or contain chipboard insert(s). It is designed for mailing correspondence/letters; records, or exposed and developed radiographic film. Excludes envelope, photographic negative; envelope, radiographic film mount, dental; and envelope, transparent.
Classification: Envelopes of paper or paperboard, of a kind used in correspondence
NSN 6110-01-349-3302
NSN 6105-01-142-3199
NSN 5925-01-052-1207
NSN 5935-01-266-3165
NSN 7035-01-218-6960
NSN 5990-00-905-6472
NSN 5965-01-526-3190
NSN 6620-00-188-2560
NSN 6320-00-681-1324
NSN 5945-01-099-9760
NSN 5930-01-617-0765
NSN 5910-00-637-2609