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 6110-00-518-2378
NSN 6650-00-471-1117
NSN 6650-00-891-9850
NSN 5945-01-361-9116
NSN 6130-01-462-7347
NSN 6220-01-373-7941
NSN 5950-01-648-7781
NSN 5996-01-023-7896
NSN 2925-00-120-9302
NSN 5950-00-890-5856
NSN 5945-00-818-1511
NSN 5996-01-183-3632