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 5835-01-424-0054
NSN 5965-00-309-4814
NSN 5920-00-034-0940
NSN 2925-01-541-7217
NSN 6130-01-338-7216
NSN 6150-01-415-4251
NSN 6645-01-143-0137
NSN 5960-00-581-2389
NSN 4140-01-579-5214
NSN 5905-00-442-4236
NSN 6145-01-285-3345
NSN 6220-00-307-0580