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 4140-01-383-9736
NSN 5895-00-026-1749
NSN 6220-00-907-5711
NSN 6645-01-093-5015
NSN 6150-00-057-9089
NSN 6645-00-300-0401
NSN 6220-01-027-1294
NSN 6145-00-269-4271
NSN 5855-00-198-3197
NSN 6320-00-261-9136
NSN 5895-00-814-8462
NSN 2925-01-250-2731