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 6610-00-336-2404
NSN 6145-01-253-0121
NSN 6610-00-287-6884
NSN 5920-01-423-8595
NSN 6130-01-628-1516
NSN 5925-00-227-0396
NSN 5990-01-426-7350
NSN 2925-01-027-1293
NSN 2925-01-315-1714
NSN 5975-00-088-2765
NSN 5925-01-312-5820
NSN 6645-01-372-0126