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 6220-01-222-0724
NSN 5965-01-337-1217
NSN 6130-01-367-1375
NSN 7035-01-158-7673
NSN 5985-01-203-9484
NSN 4140-01-619-6101
NSN 5945-01-287-1547
NSN 5915-00-803-8110
NSN 5855-01-511-0995
NSN 5915-01-548-5856
NSN 6240-01-314-5700
NSN 6220-01-271-9589