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 5915-01-459-8059
NSN 6105-00-739-7957
NSN 5990-00-613-2279
NSN 6145-00-996-7291
NSN 6145-00-233-6010
NSN 5835-00-905-7165
NSN 6645-00-810-7229
NSN 4140-00-067-7053
NSN 5910-00-551-2442
NSN 6620-01-349-4469
NSN 5925-00-826-8887
NSN 2925-01-381-5307