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 5855-00-885-8452
NSN 6645-00-246-4934
NSN 5990-01-332-3623
NSN 5905-00-337-0447
NSN 6135-01-655-1759
NSN 5965-01-119-8237
NSN 5925-00-271-8836
NSN 6610-01-014-3964
NSN 6220-00-974-9305
NSN 7035-01-350-0824
NSN 6610-01-381-3181
NSN 5920-01-062-1369