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 5835-01-163-4215
NSN 6645-01-158-3592
NSN 7035-00-529-3128
NSN 5999-01-252-8595
NSN 5920-01-540-9992
NSN 6610-00-225-9886
NSN 5925-00-805-1314
NSN 5945-01-659-3922
NSN 5945-00-821-3256
NSN 6240-00-858-0389
NSN 5950-01-356-1865
NSN 5930-00-122-5267