5 micron element; g tap (bspp) threads; circle vision sight bowl; manual metal drain; 1/4 inch port size
No other part numbers with same form, fit, and function found.
NSN 6620-01-091-9697
NSN 5915-01-219-7068
NSN 6645-00-634-9317
NSN 5996-01-454-1821
NSN 5950-01-414-5067
NSN 5999-00-337-0849
NSN 6105-01-593-5141
NSN 5945-01-168-4414
NSN 5945-01-463-7332
NSN 6105-01-658-3067
NSN 5905-01-172-5887
NSN 6220-00-420-1245