A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 6240-01-457-5520
NSN 5905-01-104-5874
NSN 5990-01-234-4607
NSN 5945-01-543-1127
NSN 6130-00-487-9948
NSN 6145-01-487-6739
NSN 5945-00-419-0184
NSN 5930-01-059-1575
NSN 6145-00-327-4770
NSN 5975-01-319-8212
NSN 6645-01-047-1782
NSN 6685-00-237-4138