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 5996-00-973-4179
NSN 5950-01-464-6967
NSN 5920-01-088-8312
NSN 5960-01-599-9821
NSN 4140-00-790-0015
NSN 6620-01-412-7426
NSN 5996-01-018-4654
NSN 5915-01-618-1048
NSN 5990-01-411-5930
NSN 6130-00-562-8673
NSN 5975-00-768-2971
NSN 6110-01-426-0826