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 5855-01-418-0089
NSN 5990-01-116-2181
NSN 5910-01-123-2955
NSN 5895-00-837-2343
NSN 6220-00-222-4399
NSN 6110-01-483-5102
NSN 5925-01-555-8524
NSN 6320-01-355-3998
NSN 5925-00-245-3391
NSN 6110-01-567-7214
NSN 5910-01-164-8527
NSN 5985-01-381-0218