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 5950-01-135-4048
NSN 6150-01-369-2353
NSN 6240-01-501-4551
NSN 6645-01-510-4815
NSN 6320-01-143-3597
NSN 6610-01-605-1509
NSN 5945-01-362-3434
NSN 6110-01-535-6972
NSN 5935-00-587-7208
NSN 6685-00-096-1485
NSN 6150-01-345-3555
NSN 5945-01-525-7355