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 5998-01-455-1185
NSN 6150-01-643-0338
NSN 4140-01-584-4243
NSN 6220-01-634-0660
NSN 5985-01-144-8168
NSN 6220-00-793-3167
NSN 5910-01-658-9709
NSN 6685-00-844-2231
NSN 5996-00-976-2202
NSN 5895-01-572-3996
NSN 6105-00-222-6194
NSN 6645-01-555-4356