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 6110-00-394-7187
NSN 5975-00-141-8513
NSN 4140-01-152-2672
NSN 6320-01-578-6006
NSN 6135-01-275-1363
NSN 5895-01-315-9844
NSN 6320-00-459-8973
NSN 5985-00-542-0597
NSN 5835-01-183-7467
NSN 5930-01-443-4205
NSN 2925-00-833-9466
NSN 5930-01-235-4772