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 6150-00-900-8620
NSN 5910-01-570-7343
NSN 6110-01-580-2475
NSN 5855-00-310-2740
NSN 5855-01-406-4821
NSN 5910-01-254-8449
NSN 5905-01-333-4928
NSN 5965-00-892-3850
NSN 5945-01-554-8374
NSN 6650-00-221-7119
NSN 6320-01-029-2196
NSN 7035-00-140-0474