The "p" in the part number represents adjustable controls for windage and elevation adjustments on illuminator
NSN 5950-01-538-7089
NSN 5835-01-432-8801
NSN 5910-00-013-7604
NSN 5925-00-408-8918
NSN 5905-01-498-9477
NSN 6645-01-400-1383
NSN 6135-01-519-7879
NSN 5999-01-388-4424
NSN 5985-00-687-1046
NSN 6320-01-006-6138
NSN 5990-01-627-8097
NSN 6130-01-487-8699
Last Updated: 02/01/2025