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 5998-01-021-3043
NSN 5905-01-250-0452
NSN 6145-01-216-1481
NSN 6620-01-421-3370
NSN 4140-01-449-5965
NSN 2925-01-547-4565
NSN 5895-00-153-2595
NSN 2925-00-258-5916
NSN 5855-00-987-1171
NSN 6645-00-854-7505
NSN 5999-01-124-8563
NSN 4140-00-501-7833