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 6130-00-761-6447
NSN 5910-00-757-7758
NSN 5925-01-220-1916
NSN 6150-01-418-6342
NSN 6220-01-506-6066
NSN 5996-01-394-7577
NSN 7035-01-621-6392
NSN 6135-01-100-3593
NSN 5990-00-876-0576
NSN 7035-01-633-9537
NSN 5965-01-371-1297
NSN 5855-01-154-3871