839-00103

Landing Gear Audible Alarm

NSN 6340-00-179-5077

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

001795077

Product Technical Spec.

General Description:

Operating power requirements, not ac, dc, 28 v; m54 degrees c to p125 degrees c operating temp range; 250 cps porm 50 cps audio range; /on/ and /off/ 50 porm 10 pct interruption rate; hermetically sealed; 5 in. Max over-all lg; terminal data, 1, connector receptacle type; a/a a/a; mounting data, hole mounted bype, six 0.173 in. Diameter mtg holes irregularly spaced

Nondefinitive Specification/std Data:

Ma-1 type

NSN:

6340-00-179-5077

Item Name:

Audible Warning Signal For Headset

Cage Code:

52797

Cross Referenced Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

1520-2

Cage Code:

96238

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

21023

FIIG:

A23900

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

061700

UFC:

34580

LTL:

RATING VARIABLE

LCL:

RATING VARIABLE

WCC:

658

TCC:

SHC:

ACC:

Instruments/Radio

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Audible Warning Signal For Headset"

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.