#AAU21A Pressure Altimeter | Flight Instruments

AAU21A

Pressure Altimeter

NSN 6610-00-070-3374

DEMIL
Shelf Life
UOM
NIIN
Demil:
DEMIL/MLI
Shelf Life:
UOM:
NIIN:
000703374

Product Features

Power requirements 115 vac, 400 hz; 4 red lamps, 2 white lamps; lighting voltage 5 vdc

Product Technical Spec.

Overall Depth:
7.000 inches
Overall Height:
3.250 inches
Overall Width:
3.250 inches
Contact Quantity:
26
Contact Type:
Pin
Scale Quantity:
1
Scale Name:
Altitude
Electrical Connection Quantity:
1
Pointer Quantity:
1
Scale Marking And Surface Finish:
Lined increments nonluminous
Nonluminous Scale Marking And Color:
Lined increments white
Mechanical Connection Quantity:
1
Mechanical Connection Size:
9/16-8 internal straight connection
Knob Quantity:
1
Knob Purpose:
Setting barometric scale
Mounting Method:
Bezel
Mounting Method:
Threaded bezel
Scale Range:
0 to 35, 000 feet
Scale Smallest Increment Graduation:
50 feet
Part Name Assigned By Controlling Agency:
Altimeter-encoder
Functional Classification:
Aa-6.2
Functional Description:
A pressure altimeter which will give the pilot a display of the same altitude which is simultaneously being reported to the ground air traffic control
Entry Date:
90-10-1
Reference Data And Literature:
5f3-3-16-3 and mil-a-81403
NSN:
6610-00-070-3374
Item Name:
Altimeter,pressure
Cage Code:
81349

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
MIL-I-81403
Cage Code:
81349
RNCC:
2
RNVC:
2
RNAAC:
MF
Status:
A
MSDS:
SADC:
Part Number:
AIMS66-122
Cage Code:
81349
RNCC:
4
RNVC:
1
RNAAC:
MF
Status:
A
MSDS:
SADC:
Part Number:
AF AVIONICS S/P IL
Cage Code:
1HBK1
RNCC:
5
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:

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Last Updated: 06/11/2025