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 6150-00-421-3227
NSN 6645-00-854-7505
NSN 5975-01-123-8380
NSN 6645-01-441-2762
NSN 5835-01-297-1909
NSN 4140-01-529-4570
NSN 5915-01-394-5335
NSN 5960-01-526-1463
NSN 5996-01-432-6124
NSN 6240-00-087-6684
NSN 5925-00-812-2790
NSN 5985-00-491-3654