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 5905-01-207-0841
NSN 5990-01-009-1422
NSN 5996-00-667-4295
NSN 5999-00-350-4073
NSN 5925-01-658-3789
NSN 6130-01-241-5880
NSN 5985-01-255-6486
NSN 6610-00-028-2222
NSN 5975-01-371-5728
NSN 4140-01-586-9605
NSN 5985-01-393-5038
NSN 2925-01-108-3307