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 5895-01-488-5049
NSN 5998-01-519-3947
NSN 6240-01-326-6937
NSN 6620-01-152-4099
NSN 6145-00-803-0154
NSN 6110-00-984-4273
NSN 5835-00-440-9049
NSN 5905-00-144-8471
NSN 6620-01-512-2016
NSN 6135-00-451-0709
NSN 6645-00-559-3623
NSN 6220-01-244-4777