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 5985-01-505-5209
NSN 5855-00-089-3974
NSN 5925-00-228-7605
NSN 5960-01-009-1599
NSN 6150-01-041-2734
NSN 5975-01-557-0085
NSN 6240-01-444-9956
NSN 6105-00-026-9909
NSN 6110-00-371-2458
NSN 6320-01-415-0953
NSN 5999-01-504-2827
NSN 5950-01-388-3753