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 6610-01-643-6652
NSN 5920-00-802-0666
NSN 5996-01-155-2253
NSN 5999-01-039-9407
NSN 5945-01-170-7630
NSN 6135-00-369-2368
NSN 5935-01-084-4369
NSN 6620-01-181-0303
NSN 5998-00-224-4064
NSN 5920-00-248-8896
NSN 6610-00-652-8543
NSN 6685-01-502-7538