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 4140-01-325-5422
NSN 5835-01-399-5820
NSN 2925-01-127-0167
NSN 6685-00-467-6096
NSN 5835-01-408-4212
NSN 5835-01-351-8429
NSN 6135-01-630-2261
NSN 6685-00-953-5449
NSN 6150-01-259-7044
NSN 6685-01-361-9251
NSN 5999-01-104-3810
NSN 5985-00-522-5495