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 5990-00-920-2894
NSN 6645-01-422-1374
NSN 5945-00-780-0698
NSN 5965-01-055-0102
NSN 5985-00-008-2032
NSN 5930-01-513-4370
NSN 5990-01-378-7349
NSN 5895-01-326-5331
NSN 5998-00-069-4545
NSN 6240-01-236-9330
NSN 6645-01-014-0793
NSN 5910-00-476-9000