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 6685-00-175-0669
NSN 5960-01-362-1213
NSN 6145-01-492-9348
NSN 5975-01-484-7894
NSN 6105-01-026-4749
NSN 6645-01-415-3894
NSN 6620-00-248-9513
NSN 6320-01-399-6177
NSN 6240-01-600-7489
NSN 5999-01-212-3094
NSN 5998-01-470-9202
NSN 5996-01-042-2172