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 5945-00-100-1261
NSN 6220-01-047-1315
NSN 6320-01-406-6098
NSN 5905-00-035-8981
NSN 2925-00-770-4713
NSN 5935-00-466-3332
NSN 6145-00-205-4046
NSN 6645-01-227-2036
NSN 6105-00-760-1151
NSN 6610-01-271-7593
NSN 6135-01-120-9812
NSN 6135-01-305-6958