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 5996-00-661-1151
NSN 5999-00-639-3447
NSN 4140-01-133-2626
NSN 5895-01-096-8982
NSN 2925-01-477-3787
NSN 5998-00-659-9533
NSN 5998-00-177-3911
NSN 5960-01-484-7966
NSN 5905-00-522-7877
NSN 6110-01-562-0991
NSN 2925-00-391-0331
NSN 6685-01-093-1488