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 2925-01-086-5507
NSN 6320-01-250-0290
NSN 6220-01-045-3069
NSN 6645-00-733-9341
NSN 5895-00-381-9712
NSN 6150-01-535-0201
NSN 6620-01-195-4602
NSN 6645-01-022-2632
NSN 6145-00-905-7255
NSN 5998-01-172-2511
NSN 5960-00-956-5004
NSN 5925-00-650-1069