Questions about Engine Instruments
What does federal supply class 6620 cover?
Federal supply class 6620 covers engine instruments, the gauges and sensors that report on an engine. Items filed here include pressure transmitters.
How is a part in federal supply class 6620 identified?
An instrument is identified by its NSN and item name, with the characteristics on file and the manufacturer cross-references carried on the record. Each item in the class has its own National Stock Number (NSN) record, listed above.