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 6145-00-209-5657
NSN 6645-00-177-4729
NSN 5985-00-248-4277
NSN 5895-00-837-3441
NSN 5965-00-075-1485
NSN 5920-01-049-0022
NSN 5975-01-439-7687
NSN 5945-00-441-9681
NSN 6135-01-415-1163
NSN 5835-01-100-3265
NSN 5925-01-089-6970
NSN 6150-01-261-7945