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 6220-01-113-6431
NSN 6620-00-189-2381
NSN 6110-01-481-5023
NSN 5985-00-232-4867
NSN 6650-01-378-7875
NSN 5910-00-067-6743
NSN 5975-00-891-4762
NSN 5960-01-257-0225
NSN 5920-01-441-2481
NSN 5925-01-525-4319
NSN 6130-01-413-6823
NSN 2925-01-648-6859