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5.500in.
3.500in.
3.500in.
1 and 1 and 1 and 1
altitude and altitude and altitude and barometric pressure
4
fluorescent
1
1/8 in.
internal pipe
1
for setting barometric scale
panel
0 to 1000 ft, 1000 to 10000 ft, 10000 to 35000 ft, 28.10 to 31.00 in. hg
20 ft, 200 ft, 2000 ft, 0.020 in.
AAU-8/a type
as modified by tables 1, 1v, and v which are changed to delete calibration and testing beyond 35000 ft and roomchanged to reflect the scale errors of table 1 of AS392C /FAATSO-C10B/ to 35000 ft
A barometric type instrument which measures altitude above a given datum plane when adjusted to the correct altimeter setting number. Excludes altimeter, surveying.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
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.