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 5945-01-451-7457
NSN 6130-01-077-4955
NSN 4140-01-555-8190
NSN 6110-00-778-1839
NSN 6240-01-410-8958
NSN 5925-01-023-9116
NSN 5895-00-418-4639
NSN 5855-01-409-1792
NSN 6105-01-376-3200
NSN 5855-01-641-7319
NSN 5985-01-642-5118
NSN 6220-00-905-4653