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 5920-01-139-4384
NSN 5910-01-018-9363
NSN 6620-01-653-9727
NSN 5999-01-364-0876
NSN 5920-00-111-2375
NSN 5935-01-432-0692
NSN 5895-00-407-2986
NSN 7035-00-442-1869
NSN 7035-01-035-7020
NSN 6645-00-634-9317
NSN 5930-00-132-0182
NSN 6685-01-383-4980