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 5905-00-760-1759
NSN 5945-00-226-0131
NSN 6145-01-077-1543
NSN 5945-01-075-3229
NSN 5975-01-536-5576
NSN 2925-01-251-9529
NSN 5999-00-962-5774
NSN 5965-00-119-3550
NSN 6145-00-937-8895
NSN 6650-01-053-1816
NSN 6135-01-377-5729
NSN 6645-00-527-7258