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 5975-00-041-1426
NSN 5930-01-028-1548
NSN 5925-01-392-7701
NSN 6130-01-659-0981
NSN 6145-00-630-2010
NSN 2925-00-099-4030
NSN 5990-01-317-5743
NSN 5975-01-384-4446
NSN 5996-01-043-2105
NSN 6145-01-556-6349
NSN 5935-01-359-4303
NSN 6145-00-275-4046