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 5925-01-371-2876
NSN 5915-00-540-8350
NSN 5975-00-131-3495
NSN 5910-01-477-2562
NSN 4140-00-618-8093
NSN 5855-00-053-3142
NSN 6645-01-228-2127
NSN 5895-00-968-9408
NSN 5999-00-280-3499
NSN 6130-01-397-6367
NSN 6130-01-513-2553
NSN 6645-01-483-5519