Part of helmet, flying, high altitude model number hgk19/p22s4
No other part numbers with same form, fit, and function found.
Classification: Military wearing apparel of all types and materials, including footwear and headwear
NSN 6650-00-155-3673
NSN 6135-00-027-3914
NSN 5835-01-412-0344
NSN 5999-01-236-3912
NSN 5960-01-481-8051
NSN 5965-01-632-7929
NSN 5925-01-431-8886
NSN 6130-01-067-9383
NSN 5935-01-076-4525
NSN 5835-01-073-1558
NSN 5945-00-394-6869
NSN 7035-01-399-5354