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 5998-01-336-6679
NSN 6220-01-388-0823
NSN 6645-00-982-2846
NSN 5925-01-589-7046
NSN 5999-01-424-0224
NSN 5920-01-444-4082
NSN 5996-01-073-6860
NSN 7035-01-406-6510
NSN 6150-00-449-7862
NSN 6240-00-727-8573
NSN 5895-01-499-0602
NSN 6320-01-554-0901