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 5920-01-604-9426
NSN 5895-01-541-3058
NSN 5835-00-071-5739
NSN 6145-01-298-2490
NSN 5855-01-325-9507
NSN 6220-00-429-6652
NSN 5998-00-288-5533
NSN 5945-00-241-4653
NSN 6620-00-319-4044
NSN 5975-01-008-7807
NSN 6645-00-736-0476
NSN 7035-00-631-3782