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 5996-01-630-1611
NSN 5996-01-541-4482
NSN 6610-01-033-2402
NSN 5985-01-585-0659
NSN 5905-01-626-6060
NSN 6105-00-057-2406
NSN 5855-01-003-7102
NSN 6610-01-289-5784
NSN 6220-01-444-1889
NSN 6610-01-451-1217
NSN 6645-00-983-2046
NSN 6135-01-394-4160