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 2925-01-656-8217
NSN 6220-01-634-0660
NSN 6105-01-202-8878
NSN 6610-01-048-2870
NSN 6110-00-663-4054
NSN 4140-00-132-5191
NSN 6110-01-365-6754
NSN 5905-01-576-9740
NSN 6145-01-555-8131
NSN 5920-01-587-6542
NSN 7035-01-610-3833
NSN 5930-01-376-3002