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 6240-01-146-4839
NSN 5999-00-470-9575
NSN 5925-01-362-3425
NSN 6645-01-105-4647
NSN 6650-00-532-8125
NSN 5920-01-598-7576
NSN 5905-00-841-7446
NSN 5960-00-059-3082
NSN 5950-00-991-0825
NSN 6105-01-259-4195
NSN 5910-01-316-6688
NSN 5965-00-603-9306