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 5975-01-625-7210
NSN 5910-01-593-9114
NSN 5990-00-050-7693
NSN 5945-01-044-5291
NSN 6135-01-495-0933
NSN 5920-01-177-9200
NSN 6610-00-829-5411
NSN 6685-01-467-2493
NSN 5985-00-403-7506
NSN 6145-01-582-4266
NSN 6645-01-025-1002
NSN 6685-01-111-0797