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 6645-01-042-4220
NSN 2925-01-411-0896
NSN 6135-00-112-8637
NSN 5965-01-065-5544
NSN 6135-01-462-4442
NSN 5905-00-659-3904
NSN 5975-00-272-2913
NSN 2925-01-442-4171
NSN 6220-01-202-7954
NSN 6150-00-849-9772
NSN 5920-01-163-3973
NSN 5835-01-012-1436