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 6145-01-619-5722
NSN 6145-01-128-9083
NSN 5950-01-465-3638
NSN 5855-00-256-5562
NSN 2925-01-265-2853
NSN 5996-00-652-9031
NSN 5975-01-346-1283
NSN 6240-00-472-4635
NSN 5855-00-361-0167
NSN 6320-00-466-0371
NSN 5950-01-143-5419
NSN 6220-01-344-3502