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 2925-01-577-0004
NSN 5950-01-412-3062
NSN 5960-00-422-0578
NSN 5945-01-303-6361
NSN 5950-00-105-2042
NSN 5835-01-245-8077
NSN 5960-01-011-4395
NSN 6620-00-394-1812
NSN 4140-01-548-8735
NSN 5950-00-645-6477
NSN 5895-00-753-5349
NSN 5945-01-593-5316