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 5960-00-763-5390
NSN 6685-00-554-3825
NSN 6110-00-699-1495
NSN 7035-01-329-8515
NSN 5985-00-184-4311
NSN 5905-01-499-9898
NSN 6645-00-720-3953
NSN 6135-00-209-6918
NSN 6150-01-521-3928
NSN 6240-00-899-1049
NSN 6650-00-910-2708
NSN 5855-01-366-2429