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 6145-00-916-7217
NSN 6320-00-994-0179
NSN 5920-01-523-3231
NSN 5990-01-370-7912
NSN 6105-00-149-7259
NSN 5910-00-620-9693
NSN 6220-01-459-9485
NSN 6685-01-455-5908
NSN 6150-00-921-0483
NSN 5950-01-244-1178
NSN 6645-01-336-5815
NSN 6685-00-996-9828