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 5920-00-813-1516
NSN 6645-00-033-8714
NSN 5950-00-974-2159
NSN 5935-01-250-3121
NSN 6105-01-293-1337
NSN 5930-00-388-6758
NSN 6220-00-293-5368
NSN 2925-00-413-2064
NSN 5930-01-116-7707
NSN 5925-01-277-1980
NSN 5905-01-096-4334
NSN 5945-01-051-1371