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 5998-01-585-2406
NSN 5930-01-476-7248
NSN 5905-00-218-0552
NSN 6150-01-114-2378
NSN 6610-01-515-4967
NSN 6135-01-022-5427
NSN 6105-01-319-0144
NSN 6320-01-532-7491
NSN 5855-01-645-8185
NSN 6145-01-363-1925
NSN 6145-00-119-8201
NSN 5910-01-238-9376