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 6135-01-534-0310
NSN 6610-01-608-5285
NSN 6150-00-674-9973
NSN 6320-01-220-2264
NSN 6240-01-496-9543
NSN 4140-00-027-5150
NSN 5960-00-014-3445
NSN 6320-00-004-9158
NSN 5925-01-254-2578
NSN 6650-01-648-3903
NSN 5930-01-579-9612
NSN 6130-01-415-6547