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 5975-00-536-3994
NSN 6150-01-139-2716
NSN 5855-01-236-4497
NSN 6130-00-499-1439
NSN 6685-01-162-5075
NSN 5975-01-387-3405
NSN 4140-01-514-8490
NSN 6645-01-523-8809
NSN 2925-01-174-6786
NSN 6110-00-116-5514
NSN 5895-01-411-5138
NSN 5930-01-122-4450