Model: 1543-7

Landing Gear Audible Alarm

Properties:

End Application
Iaw sae j514-070103
Part Name Assigned By Controlling Agency
Control alarm and monitoring system
General Description
O/a 3.8 in. Lg; oper pwr rqmt dc 17 to 29v; m54 to p125 degrees c; 200 to 300 hz audio range; cont sig dy cycle; 4 hz porm 10 pct to 6 hz porm 10 pct interruption rate; hermetically sealed; 1 connector receptacle type terminal military p/n ms3106a16s1p; hole mtd type 4 0.173 in. Diameter mtg holes on 1.921 by 2.125 in. Mtg ctr
Nondefinitive Specification/std Data
P/N6-59-010-2056
NSN
6340-00-052-6363
Part Number
1543-7
Description
Alarm,audible,landing Gear
CAGE
96238

An electronic signal used on aircraft to warn the pilot of an unsafe landing gear condition. It is furnished by the injection of interrupted tones in the pilot's headset when the throttle is retarded with gear not down and locked.

Part 1543-7 NSN 6340-00-052-6363

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
21023
FIIG:
A23900
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.7000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061700
UFC:
34580
LTL:
RATING VARIABLE
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

End Items End applications NSN 6340-00-052-6363 is a component of

  • Ch 47 (rotary Wing Aircraft)
  • Common Aircraft Electrical Material
  • 000688585
  • Electronic Control Amplifier

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Schedule B and Export
  • Schedule B: 8531900002
  • SITC: 77885
  • End Use: Electric apparatus
  • NAICS: 335999
  • USDA: 1

Freight Class: Parts of electric sound or visual signaling apparatus other than printed circuit assemblies, nesoi

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