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 5996-00-989-9331
NSN 2925-01-394-1812
NSN 6145-00-173-6646
NSN 6645-01-281-7254
NSN 5990-01-089-9694
NSN 6620-00-996-8026
NSN 5855-01-199-2046
NSN 5905-01-005-2883
NSN 5999-00-683-6660
NSN 5925-00-432-6618
NSN 5950-00-238-8726
NSN 6240-01-512-1856