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 6105-00-089-3235
NSN 5990-01-131-2008
NSN 5965-01-429-9777
NSN 5960-01-641-5493
NSN 5935-00-225-8689
NSN 6650-00-809-1817
NSN 5905-01-073-1227
NSN 6610-00-891-6370
NSN 2925-01-629-9416
NSN 5915-00-189-1323
NSN 6320-01-457-2805
NSN 6320-01-352-5653