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 6610-01-481-9262
NSN 6110-00-248-8975
NSN 6110-01-184-2456
NSN 5990-01-529-7307
NSN 5930-00-857-5684
NSN 5920-01-368-6129
NSN 5905-00-256-5563
NSN 6130-01-555-8531
NSN 6110-01-085-2899
NSN 5915-01-445-3109
NSN 6145-00-279-7136
NSN 5920-01-383-1628