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 5990-01-052-9343
NSN 5990-01-305-8121
NSN 4140-01-407-6595
NSN 6650-01-201-7591
NSN 5895-01-177-7395
NSN 5975-01-135-9794
NSN 6320-01-569-2672
NSN 6220-00-891-8786
NSN 5965-00-454-3444
NSN 5950-01-656-7432
NSN 6650-00-918-4156
NSN 6645-01-363-1395