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 6220-00-061-1522
NSN 2925-01-022-8332
NSN 6220-01-353-2458
NSN 6645-01-440-8624
NSN 6220-01-346-9269
NSN 5905-00-794-4446
NSN 5905-01-328-1205
NSN 6240-01-013-8895
NSN 5965-00-964-1756
NSN 5965-01-330-6807
NSN 6130-01-139-3701
NSN 5990-01-259-7138