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 5990-00-050-7693
NSN 6130-00-346-6710
NSN 6650-01-607-7600
NSN 6610-00-673-1258
NSN 6645-01-011-6459
NSN 6105-01-645-7033
NSN 5835-01-584-8538
NSN 5985-01-644-1863
NSN 6110-01-188-5040
NSN 5999-01-108-3645
NSN 6240-01-378-8227
NSN 5910-01-286-5529