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 6620-01-025-1443
NSN 5960-00-126-4729
NSN 5835-01-347-8714
NSN 6620-01-495-7446
NSN 5975-01-546-6192
NSN 2925-01-350-0200
NSN 5895-01-453-9471
NSN 5945-01-332-4413
NSN 6135-00-826-4798
NSN 6610-01-053-6781
NSN 5960-01-029-2940
NSN 6685-01-407-6008