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 4140-01-133-8267
NSN 5945-01-554-0705
NSN 6645-01-182-4896
NSN 6145-01-580-1025
NSN 4140-01-495-5623
NSN 6110-01-143-3211
NSN 5915-01-388-2911
NSN 5835-01-571-4083
NSN 2925-01-554-5246
NSN 6685-01-157-6557
NSN 5855-01-384-3314
NSN 5950-00-793-3395