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 6685-01-010-2120
NSN 5960-01-442-1770
NSN 4140-01-552-7406
NSN 5925-01-541-8343
NSN 6130-01-143-3032
NSN 5998-01-025-6764
NSN 5895-00-553-8345
NSN 5925-00-919-1338
NSN 2925-01-567-8027
NSN 5945-01-231-9607
NSN 5905-01-608-9367
NSN 5930-01-156-1513