Company item name--base, secondary orfice
No other part numbers with same form, fit, and function found.
NSN 4140-01-299-1633
NSN 5990-01-281-7601
NSN 5965-01-512-8842
NSN 6620-01-104-5758
NSN 5935-01-654-4368
NSN 5990-01-400-3299
NSN 5945-00-519-0768
NSN 5925-00-186-0765
NSN 5965-00-928-4854
NSN 6110-00-819-4917
NSN 5965-01-385-4235
NSN 5998-01-344-6201