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 7035-00-870-0290
NSN 5910-01-290-7720
NSN 6220-01-555-8332
NSN 6130-01-056-5251
NSN 6220-01-123-7796
NSN 6135-01-622-1296
NSN 6130-01-173-1556
NSN 5999-01-104-2033
NSN 7035-01-406-6510
NSN 2925-01-327-3069
NSN 5965-01-468-1904
NSN 6620-01-407-1158