Goes on various oxygen containers
No other part numbers with same form, fit, and function found.
NSN 5945-01-089-0658
NSN 6130-01-146-0861
NSN 6110-01-633-9660
NSN 5975-00-823-0740
NSN 5905-01-213-4138
NSN 4140-01-316-5725
NSN 5999-00-960-0201
NSN 6145-01-258-4738
NSN 5965-01-348-8761
NSN 4140-00-375-8631
NSN 5930-01-396-4632
NSN 5905-01-183-3273