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 5855-01-311-6666
NSN 6645-01-459-7788
NSN 6220-00-774-1318
NSN 7035-00-946-2642
NSN 7035-01-595-5270
NSN 5935-01-415-3605
NSN 5920-00-760-7907
NSN 7035-01-230-0250
NSN 6135-01-459-0093
NSN 5855-01-364-8193
NSN 6685-00-809-5880
NSN 6110-01-548-2793