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 6150-00-917-6749
NSN 5895-01-341-8524
NSN 5835-01-628-1748
NSN 5905-00-840-6011
NSN 6105-00-097-1371
NSN 4140-00-844-9436
NSN 6650-00-678-5627
NSN 6150-00-955-2168
NSN 6130-01-383-0807
NSN 6130-01-010-0407
NSN 6240-00-155-3447
NSN 7035-01-007-7181