Air filter restriction gauge monters filter element restriction; restrictiom across elements is 20 inches of water; equipped w/1/8 in. Male npt. Adapter required for installing into 1/4 in. Female fitting, use 1/4 x 1/8 in. Npt adapter
No other part numbers with same form, fit, and function found.
A mechanical indicator used on vehicular engines for dry or liquid type clearners to provide a visual warning signal when filter needs cleaning or changing.
Classification: Intake air filters for internal combustion engines
NSN 5915-00-052-5247
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