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 6135-01-537-1234
NSN 5930-01-381-6277
NSN 5960-00-539-2748
NSN 5999-00-666-3838
NSN 6685-01-499-1995
NSN 5895-01-619-0673
NSN 5905-00-905-8402
NSN 6135-01-617-0253
NSN 6610-01-142-8958
NSN 5960-01-535-1743
NSN 4140-01-051-9252
NSN 6645-01-368-1508