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 6685-01-384-5209
NSN 6645-00-876-4413
NSN 5910-01-014-1213
NSN 6130-00-942-8775
NSN 5965-00-013-7990
NSN 6240-00-436-5389
NSN 5945-01-554-0525
NSN 5915-00-556-2189
NSN 5996-01-589-6045
NSN 5910-00-627-0267
NSN 5999-01-604-4498
NSN 4140-00-623-0248