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 5915-00-541-5589
NSN 5925-00-991-8722
NSN 5999-00-004-4716
NSN 6145-00-226-4468
NSN 5835-01-123-8305
NSN 5998-01-548-0750
NSN 6685-01-180-0261
NSN
NSN 5965-01-527-1220
NSN 6135-01-297-5565
NSN 6645-01-259-4231
NSN 7035-01-381-7622