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 5990-00-726-3516
NSN 5855-01-618-8511
NSN 6240-00-553-8891
NSN 6645-01-408-0011
NSN 2925-01-239-6044
NSN 6135-01-360-1620
NSN 6645-01-157-0762
NSN 5999-01-093-3355
NSN 5920-01-401-5315
NSN 6645-01-415-6093
NSN 5835-01-521-4979
NSN 5998-01-020-7848