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 5910-01-067-8361
NSN 4140-01-647-8871
NSN 5920-00-966-2821
NSN 5945-01-494-8272
NSN 6145-01-257-8398
NSN 5998-01-160-9483
NSN 5910-01-423-5802
NSN 5935-01-415-5787
NSN 6220-01-091-9103
NSN 6240-00-985-3316
NSN 6145-01-172-3363
NSN 5975-00-679-6738