No other part numbers with same form, fit, and function found.
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 6620-00-437-3220
NSN 6620-01-578-1984
NSN 5975-00-903-4728
NSN 6135-00-455-2425
NSN 6110-01-648-8156
NSN 6320-00-809-5744
NSN 6105-01-161-9232
NSN 6645-01-058-8877
NSN 5999-01-241-9391
NSN 5985-01-070-3774
NSN 6650-01-041-9846
NSN 5895-01-415-1377