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 6130-01-066-4789
NSN 6645-00-021-6408
NSN 5950-00-248-6921
NSN 6220-01-364-9608
NSN 6650-01-308-9394
NSN 5975-01-510-4206
NSN 5920-00-604-6301
NSN 6645-00-351-8580
NSN 2925-00-055-9601
NSN 5945-01-536-7175
NSN 5905-01-287-9405
NSN 5999-01-180-5533