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 4140-01-044-3366
NSN 5965-01-485-3501
NSN 2925-01-422-1542
NSN 6650-01-381-7172
NSN 6620-01-004-7072
NSN 6650-00-118-3405
NSN 6240-00-820-0470
NSN 5895-00-424-6296
NSN 5990-00-419-0236
NSN 5925-01-156-4426
NSN 6220-00-490-6092
NSN 5855-01-380-5102