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 6620-01-263-6697
NSN 6105-00-928-7210
NSN 5950-01-025-6680
NSN 6220-01-323-7897
NSN 5920-01-418-7423
NSN 5910-01-131-9324
NSN 5996-00-409-9683
NSN 6150-01-281-9678
NSN 5975-00-366-5639
NSN 6220-00-285-8104
NSN 6650-00-406-2645
NSN 5945-01-112-7686