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 6240-01-254-9448
NSN 5960-01-533-5162
NSN 4140-00-249-5603
NSN 5925-01-007-2049
NSN 5996-00-964-9400
NSN 6610-01-349-6333
NSN 6645-01-442-6476
NSN 5855-01-417-1315
NSN 5998-01-285-8874
NSN 6685-00-079-0313
NSN 7035-01-374-4044
NSN 5996-01-317-3676