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 6685-01-121-0572
NSN 5935-00-919-5969
NSN 5835-00-823-6116
NSN 6145-01-154-9606
NSN 5920-01-003-8110
NSN 6650-01-011-9093
NSN 5930-01-454-8833
NSN 5935-00-924-4916
NSN 6610-01-253-9180
NSN 6645-01-376-8022
NSN 5925-01-203-2084
NSN 6610-01-276-7766