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.
NSN 6105-01-023-7887
NSN 5925-01-428-7667
NSN 5905-01-248-0768
NSN 6645-01-329-8151
NSN 6685-00-889-9486
NSN 2925-01-560-4123
NSN 6240-01-373-2686
NSN 4140-00-024-5555
NSN 2925-01-295-9337
NSN 4140-01-367-5621
NSN 5910-01-013-2351
NSN 5990-01-512-9129