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 5945-01-464-9370
NSN 5975-00-361-7793
NSN 6320-01-470-6826
NSN 6105-01-634-0322
NSN 6135-01-484-8637
NSN 5920-01-354-7853
NSN 6320-01-176-8367
NSN 5965-01-080-9808
NSN 6150-01-098-3423
NSN 5930-01-398-7230
NSN 5930-00-299-7623
NSN 6130-01-414-8763