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 4140-01-279-4311
NSN 5925-01-447-7220
NSN 2925-01-497-9381
NSN 5965-01-250-8542
NSN 5895-01-114-8515
NSN 5935-01-225-4253
NSN 5935-00-540-3092
NSN 5925-01-271-5278
NSN 5999-01-555-8285
NSN 6685-01-037-9178
NSN 6135-01-599-7563
NSN 5998-01-066-7427