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 6645-00-922-0886
NSN 5990-01-221-6361
NSN 6145-01-228-9105
NSN 5935-01-281-7397
NSN 5920-01-077-1756
NSN 6105-01-634-0322
NSN 5965-01-393-8290
NSN 5905-00-528-4412
NSN 6130-00-277-7321
NSN 5935-01-364-0987
NSN 5925-01-299-8461
NSN 5930-01-546-6974