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 6130-01-147-8448
NSN 6650-01-212-3964
NSN 6645-00-690-0423
NSN 6240-01-170-7175
NSN 5950-01-234-1532
NSN 6150-00-252-8036
NSN 5965-00-100-1291
NSN 5990-01-025-7242
NSN 6130-01-004-8977
NSN 5999-01-623-2801
NSN 6145-01-477-2654
NSN 5835-01-354-0566