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 5950-01-220-9657
NSN 5999-01-257-4230
NSN 6145-00-177-4731
NSN 4140-01-329-4836
NSN 7035-00-001-4586
NSN 6610-01-256-7938
NSN 6110-01-205-3248
NSN 5945-00-248-4873
NSN 7035-01-392-5274
NSN 6135-01-400-2947
NSN 6650-00-782-4624
NSN 5855-01-120-7831