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 6110-01-366-5715
NSN 4140-01-620-6384
NSN 5996-01-608-5244
NSN 6135-01-383-1910
NSN 6645-01-043-5236
NSN 6135-01-592-2765
NSN 5985-01-367-2842
NSN 5975-00-364-6919
NSN 5925-01-433-2427
NSN 5985-00-421-3047
NSN 6110-00-015-7688
NSN 6645-01-396-6976