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 6240-01-650-5348
NSN 6620-01-326-4451
NSN 5975-00-707-6245
NSN 5999-01-590-2771
NSN 6220-00-403-0123
NSN 6220-01-173-3177
NSN 5985-01-555-5287
NSN 6685-01-069-1664
NSN 6145-01-382-1681
NSN 5895-00-455-8952
NSN 6650-01-411-1581
NSN 5990-01-164-8673