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 6220-00-660-5539
NSN 5855-01-389-8884
NSN 6645-01-029-8528
NSN 6685-01-512-7154
NSN 5920-01-007-6165
NSN 6610-01-415-5877
NSN 5950-00-067-9740
NSN 5895-00-353-6671
NSN 6320-01-340-4112
NSN 6105-01-140-8767
NSN 6110-01-073-0088
NSN 2925-01-360-3575