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 5910-00-229-3253
NSN 5905-00-186-9044
NSN 5999-00-584-1867
NSN 6320-01-451-0821
NSN 5895-01-089-9999
NSN 5920-01-646-1676
NSN 5910-01-107-4157
NSN 6110-00-222-3317
NSN 6320-00-790-4844
NSN 6610-00-005-4452
NSN 5975-00-877-4876
NSN 6145-01-050-7531