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 5965-00-275-0491
NSN 5910-00-862-3552
NSN 5975-00-040-2363
NSN 6150-01-173-9875
NSN 6220-00-289-9915
NSN 6645-00-795-5565
NSN 5960-01-425-1454
NSN 5910-00-186-9524
NSN 5895-00-738-2122
NSN 6150-01-560-0297
NSN 6145-00-773-2026
NSN 2925-01-299-6967