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 6220-01-308-6218
NSN 5975-01-345-6514
NSN 5985-00-622-7771
NSN 6645-01-051-7447
NSN 5999-00-284-8403
NSN 6320-01-252-2307
NSN 6320-00-371-8335
NSN 5905-00-536-9768
NSN 6150-01-287-2563
NSN 5985-00-096-5510
NSN 5905-01-399-8656
NSN 6110-01-625-3166