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 5996-00-925-1953
NSN 6645-01-528-7152
NSN 5965-01-543-4934
NSN 5960-01-413-3877
NSN 4140-00-229-0915
NSN 6150-01-541-0650
NSN 5905-00-201-0378
NSN 6610-01-606-8788
NSN 5895-01-415-8663
NSN 6220-01-617-1256
NSN 5835-00-065-6757
NSN 5950-01-359-8952