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 5975-01-152-9353
NSN 5960-01-399-4327
NSN 5945-01-391-2478
NSN 2925-00-471-1128
NSN 5999-00-062-3056
NSN 5930-01-414-2349
NSN 5985-00-005-2503
NSN 6650-00-515-6002
NSN 6145-01-578-1561
NSN 5965-01-121-2319
NSN 7035-01-181-2705
NSN 6610-01-587-8491