Front Mask Assemblies

6 part numbers
638-8505-001 NSN 5821-01-076-2492 Cross Reference: 638-9043-001
  • an/arc-186 end application
  • includes mask 1, window 1, bushing 1 general description
508313 NSN 5821-01-076-2493 Cross Reference: 30175, 638-8505-002
  • an/arc-186 end application
  • includes mask 1, window 1, bushing 1 general description
638-8505-003 NSN 5821-01-076-2494 Cross Reference: 638-9043-003
  • an/arc-186 end application
  • includes mask 1, window 1, bushing 1 general description
642-9446-001 NSN 5821-01-117-4467
  • an/arc-186 end application
642-9446-002 NSN 5821-01-117-4468
  • an/arc-186 end application
642-9446-003 NSN 5821-01-117-4469
  • an/arc-186 end application
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