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 5975-00-545-3548
NSN 5920-00-078-8660
NSN 6135-01-361-9297
NSN 5965-01-559-4958
NSN 5998-00-679-4001
NSN 6620-01-548-2693
NSN 5998-01-029-4046
NSN 5905-01-448-8957
NSN 5930-01-026-6370
NSN 6105-01-522-9244
NSN 6105-01-311-5629
NSN 6135-01-336-3115