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 6135-00-271-0407
NSN 5920-01-183-3125
NSN 2925-01-141-7563
NSN 5855-00-361-0167
NSN 6240-01-023-7720
NSN 6145-01-238-0734
NSN 5999-01-229-7731
NSN 5990-01-625-5923
NSN 5945-00-614-3979
NSN 5985-00-764-6294
NSN 6610-01-372-5608
NSN 6645-00-572-2535