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 5910-00-490-0399
NSN 5975-01-041-2429
NSN 6610-00-520-6193
NSN 5945-00-529-0409
NSN 2925-01-415-0264
NSN 7035-01-408-8698
NSN 6650-01-270-8460
NSN 5920-01-500-2150
NSN 5965-01-510-1902
NSN 5960-01-283-7129
NSN 5945-00-964-8677
NSN 5975-01-352-3259