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 5999-00-709-3043
NSN 2925-01-341-0457
NSN 5960-00-289-6591
NSN 7035-01-610-6073
NSN 6685-00-082-3153
NSN 5999-01-295-4883
NSN 5996-01-298-0499
NSN 6645-00-145-6411
NSN 5965-01-492-9344
NSN 6135-00-782-6988
NSN 4140-00-529-7463
NSN 6240-00-489-8531