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 5905-01-377-8632
NSN 5925-01-634-0664
NSN 6130-01-631-0081
NSN 6240-01-106-2447
NSN 6135-01-061-1862
NSN 6105-00-878-0753
NSN 5905-00-964-0793
NSN 6610-01-512-3248
NSN 6130-01-353-4209
NSN 6130-01-574-7966
NSN 6685-00-060-9800
NSN 5975-01-543-0305