500 iu
No other part numbers with same form, fit, and function found.
NSN 5996-01-333-3419
NSN 5985-01-364-0530
NSN 7035-00-753-0695
NSN 6240-01-359-2721
NSN 4140-01-263-6435
NSN 5996-01-116-1988
NSN 6105-01-023-8708
NSN 5925-01-561-2094
NSN 6320-01-504-3948
NSN 5895-00-800-3224
NSN 6220-00-481-8907
NSN 5905-00-228-0738