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 6620-01-659-8887
NSN 5905-00-228-0159
NSN 4140-01-139-0141
NSN 5990-01-065-0492
NSN 5855-01-476-4219
NSN 5930-00-005-7156
NSN 5975-00-050-3729
NSN 5975-00-181-5825
NSN 5920-00-894-2455
NSN 7035-00-553-6951
NSN 5975-00-283-6686
NSN 6645-01-400-1137