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 6240-01-355-0437
NSN 5915-00-296-0853
NSN 2925-01-384-4139
NSN 6320-01-170-4068
NSN 6650-01-573-7165
NSN 5960-01-512-0233
NSN 6145-01-032-3693
NSN 5915-01-089-4511
NSN 5960-01-094-1076
NSN 6645-01-589-0983
NSN 5910-01-459-3034
NSN 6320-01-449-1014