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 5925-01-340-6228
NSN 5965-01-006-7915
NSN 5965-01-440-9898
NSN 5945-01-381-1356
NSN 5945-00-678-5064
NSN 6320-01-006-6138
NSN 5960-01-641-5493
NSN 5895-01-596-1429
NSN 5920-00-938-7660
NSN 6645-01-313-3139
NSN 6685-01-381-0445
NSN 5975-00-998-3007