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 6135-00-880-1026
NSN 6220-01-099-8561
NSN 6240-00-175-6730
NSN 4140-00-535-6583
NSN 5855-01-540-6522
NSN 5960-00-119-4476
NSN 6645-00-140-5173
NSN 5920-00-332-8384
NSN 5990-01-195-3693
NSN 5905-00-455-8498
NSN 5945-00-112-9142
NSN 5855-01-341-7320