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 5855-01-542-4576
NSN 2925-01-194-9737
NSN 5855-00-198-3197
NSN 5985-00-106-8263
NSN 5855-01-650-3762
NSN 6610-01-429-7267
NSN 5895-00-949-9591
NSN 5920-01-400-0791
NSN 5975-00-342-3882
NSN 6685-00-493-9851
NSN 6240-01-409-2465
NSN 6645-01-472-6167