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 4140-01-400-3610
NSN 6645-01-176-6866
NSN 7035-01-048-7122
NSN 5835-01-150-6084
NSN 5999-00-119-7294
NSN 2925-01-197-7864
NSN 5960-01-474-4843
NSN 5905-01-204-8157
NSN 6220-00-877-2151
NSN 5835-01-258-5597
NSN 5910-00-421-9099
NSN 6130-01-585-1478