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 6110-00-900-8227
NSN 2925-01-560-4123
NSN 6610-01-141-7014
NSN 5999-01-644-4250
NSN 6135-00-681-2702
NSN 5999-00-858-0741
NSN 6135-01-484-8637
NSN 5920-01-356-0431
NSN 2925-00-816-8765
NSN 5990-01-118-0151
NSN 5925-01-250-5875
NSN 5985-00-866-6470