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 5975-01-371-3369
NSN 5965-01-616-6359
NSN 6240-00-491-7191
NSN 5855-01-295-2313
NSN 5905-00-282-2504
NSN 5920-01-654-2506
NSN 5998-01-179-5769
NSN 5965-01-018-2792
NSN 5925-00-979-5856
NSN 5895-01-350-8481
NSN 5998-01-364-1402
NSN 6145-00-553-6286