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 5945-01-275-1493
NSN 4140-01-206-4981
NSN 5835-01-083-8131
NSN 7035-01-250-4268
NSN 5999-01-088-5787
NSN 6135-00-461-3590
NSN 5999-01-515-3665
NSN 6610-00-001-1792
NSN 5835-01-519-2916
NSN 5895-01-360-3873
NSN 2925-00-293-7213
NSN 6110-01-152-1097