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 6150-00-003-2233
NSN 6610-01-331-6966
NSN 5855-01-559-9639
NSN 4140-00-053-9499
NSN 4140-01-089-9088
NSN 5895-01-097-0121
NSN 5915-00-659-3107
NSN 5915-01-645-1687
NSN 5985-00-187-7583
NSN 6150-01-279-0133
NSN 5999-01-050-0869
NSN 6135-00-548-2765