Kportable system; battery operated; three scale range, high range 0 to 25% oxygen, medium range 0 to 5% oxygen, low range 0 to 1% oxygen; meter calibrates on atmospheric air; battery condition indicated on gauge
No other part numbers with same form, fit, and function found.
NSN 6320-00-539-9283
NSN 5935-01-010-3415
NSN 6130-01-029-9577
NSN 5990-01-009-3634
NSN 2925-01-389-6874
NSN 6620-00-062-9722
NSN 5905-01-010-6143
NSN 5985-01-299-4785
NSN 6685-01-475-9753
NSN 6620-01-591-6681
NSN 5945-01-250-3888
NSN 6645-01-448-8375