An air pressure item used on an aircraft air conditioning system to provide a visual warning signal when a filter needs cleaning or changing.
NSN 6220-01-567-2426
NSN 2925-00-623-3103
NSN 5999-01-170-4354
NSN 5965-01-180-7070
NSN 5905-01-574-8496
NSN 6620-01-148-0901
NSN 5985-01-056-4055
NSN 6150-01-088-7643
NSN 5855-01-656-6808
NSN 6620-00-273-1511
NSN 5975-01-443-9854
NSN 5950-01-378-5397