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 5915-01-479-3775
NSN 6685-01-129-2947
NSN 5990-01-199-2846
NSN 5910-01-512-0626
NSN 6620-01-318-8314
NSN 2925-01-406-9844
NSN 5965-01-160-2691
NSN 5945-00-892-8658
NSN 5996-00-335-9800
NSN 4140-01-606-2248
NSN 5945-01-228-5137
NSN 6645-00-155-2398