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4.500in.
3.250in.
3.500in.
2
altitude and barometric pressure
3
fluorescent
1
1/8 in.
internal pipe
1
for setting barometric scale
bezel
0 to 50000 ft, 28.1 to 31.0 in. mercury
10 ft, 0.020 in. mercury
AN5760-4B type
A barometric type instrument which measures altitude above a given datum plane when adjusted to the correct altimeter setting number. Excludes altimeter, surveying.
Indicates information is in the hazardous materials information resource system (hmirs).
Precious metal content is unknown
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
HMIC: Hazardous Material Indicator Code. A one position code that identifies a hazardous item.
PMIC: Precious Metal Indicator Code. A one position code which identifies items that have precious metals as part of their content. precious metals are those metals generally considered to be uncommon, highly valuable, and relatively superior in certain properties such as resistance to corrosion and electrical conductivity.
ESD: Electrostatic Discharge. Indicates if an item is susceptible to electrostatic discharge or electromagnetic interference damage. electrostatic discharge damage occurs when an accumulation of static electricity generated by the relative motion or separation of materials is released to another item by direct contact. electromagnetic interference damage occurs when an item comes into proximity with an electrostatic or magnetic field.
ENAC: Enviromental Attribute Code. Identifies items with environmentally preferred characteristics.
CRITL: Criticality Indicator Code. Indicates an item is technically critical by tolerance, fit, application, nuclear hardness properties, or other characteristics.