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 5855-01-173-0808
NSN 5895-00-992-3532
NSN 6135-00-840-6451
NSN 5855-01-098-9038
NSN 5905-00-257-0121
NSN 5960-01-041-7449
NSN 6130-01-137-4187
NSN 6130-00-005-8100
NSN 5895-01-100-4356
NSN 6645-00-065-7286
NSN 5910-01-499-1859
NSN 6135-01-068-0119