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 5990-00-232-3965
NSN 2925-01-142-0981
NSN 6110-01-444-1688
NSN 4140-01-484-3561
NSN 6150-00-079-4323
NSN 6620-00-292-7000
NSN 5835-01-219-0586
NSN 6620-01-462-1625
NSN 5960-01-375-1905
NSN 5910-01-633-9963
NSN 6150-01-386-3844
NSN 5960-01-526-3843