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 5930-00-528-5252
NSN 5910-00-120-9019
NSN 5895-01-471-1154
NSN 2925-00-555-4578
NSN 5960-01-654-4353
NSN 5999-00-570-9291
NSN 5905-00-277-7439
NSN 6610-01-633-8931
NSN 5930-01-065-0890
NSN 6650-01-421-2762
NSN 5910-01-618-6407
NSN 5855-01-658-4510