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 6105-00-357-1801
NSN 5915-01-460-7176
NSN 5990-01-147-5225
NSN 2925-01-236-3547
NSN 6685-01-550-6631
NSN 6240-00-567-4795
NSN 5975-01-065-0985
NSN 6650-00-981-9501
NSN 6320-00-593-0379
NSN 6135-00-295-2614
NSN 6320-01-627-1594
NSN 6610-00-955-6118