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 6135-00-715-4001
NSN 4140-01-619-6859
NSN 5930-00-585-3507
NSN 6110-01-458-2822
NSN 6610-01-479-0466
NSN 5998-01-114-6048
NSN 6135-01-627-3786
NSN 5835-01-222-2030
NSN 6110-01-340-4885
NSN 6110-01-099-6893
NSN 5930-00-661-2280
NSN 6685-01-641-3191