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 5895-00-438-8477
NSN 6610-01-298-5662
NSN 7035-00-476-7178
NSN 5925-00-797-0860
NSN 6220-01-569-1297
NSN 5998-01-400-1120
NSN 6150-01-350-1331
NSN 7035-01-647-9698
NSN 6685-00-093-6380
NSN 6645-01-005-4862
NSN 5965-01-241-9865
NSN 4140-01-218-7205