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 2925-01-448-2880
NSN 5985-00-734-7479
NSN 5895-00-698-1650
NSN 2925-01-151-6969
NSN 5965-01-139-5472
NSN 5985-00-104-5981
NSN 6110-01-501-9707
NSN 6220-00-245-1801
NSN 6135-01-110-3516
NSN 5999-01-457-4737
NSN 6645-00-276-7544
NSN 5996-01-333-6644