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 6650-00-170-5095
NSN 6145-01-289-4676
NSN 6685-01-429-3274
NSN 6135-01-373-2518
NSN 6135-00-100-8890
NSN 6220-01-151-7850
NSN 2925-01-541-5031
NSN 5999-01-400-5933
NSN 5998-00-293-6286
NSN 5965-01-559-1369
NSN 5960-01-032-4229
NSN 6685-01-211-2141