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 5998-01-225-2917
NSN 6645-01-258-5558
NSN 6105-01-332-9022
NSN 5965-01-612-6390
NSN 5895-00-616-4412
NSN 5930-01-522-4579
NSN 4140-01-415-1187
NSN 2925-01-137-4062
NSN 6145-00-983-6779
NSN 4140-01-025-4911
NSN 6145-01-528-1197
NSN 5990-01-340-3575