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 5905-01-442-3473
NSN 2925-00-138-5542
NSN 6685-01-007-0259
NSN 6150-01-183-3134
NSN 5925-00-762-3790
NSN 5985-00-233-7284
NSN 4140-01-464-5096
NSN 6320-01-466-4175
NSN 5905-01-028-0173
NSN 5910-01-466-4912
NSN 5855-00-973-5717
NSN 5998-01-341-3052