A505A

Engine Accessory Generator

NSN 2920-00-439-2872

DEMIL

Shelf Life

UOM

NIIN

Demil:

DEMIL/MLI

Shelf Life:

UOM:

NIIN:

004392872

Technical Specifications of NSN

Thread Direction:

Right-hand

Thread Length:

0.828 inches

Furnished Items:

Radio interference shielding

Second Step Diameter:

0.780 inches

Keyway Width:

Between 0.186 inches and 0.188 inches

Unthreaded Portion Length:

1.297 inches

Mounting Hole Thread Direction:

Right-hand

Mounting Style:

Bracket mtd w/three mtg holes, top hole threaded

Environmental Protection:

Corrosion resistant and fungus resistant

Submersibility:

Submersible

Maximum Operating Altitude Rating:

10000.0 feet

Shaft Rotation Direction:

Clockwise

Distance From End To Keyway Center:

1.062 inches

Thread Diameter:

0.750 inches

Ground Polarity Type:

Negative

Maximum Output Current Rating In Amps:

230.0

Grounding Method:

Internal

Shaft Drive End Style:

Straight shaft end, threaded, w/keyway

Distance Between Shaft Center And Bottom Mounting Hole Center:

4.688 inches

Distance Between Shaft Center And Top Mounting Hole Center:

Between 4.375 inches and 4.875 inches

Angular Deviation Of First Hole From Top Center In Deg:

170.0

Angular Deviation Of Second Hole From First Hole In Deg:

190.0

Distance Between Inside Surfaces Of Hinge Bracket:

6.125 inches

Distance Between Outside Surfaces Of Hinge Bracket:

7.125 inches

Bottom Mounting Hole Diameter:

Between 0.441 inches and 0.461 inches

Maximum Rated Armature Speed In Rpm:

3000

Thread Series:

Unf

Thread Class:

Mounting Hole Thread Series Designator:

Unc

Mounting Hole Thread Diameter:

0.375 inches

Mounting Hole Thready Qty Per Inch (tpi):

Mounting Hole Thread Class:

Thready Qty Per Inch (tpi):

Voltage In Volts:

28.0

NSN:

2920-00-439-2872

Item Name:

Alternator Engine Accessory

Cage Code:

76761

Other Related Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

2586556

Cage Code:

80064

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

17311

FIIG:

A14700

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

14.7 X 12.5 X 13.9

Paclk Weight:

91.8000lbs

Item Weight:

0.0000lbs

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Alternator Engine Accessory"

A generator primarily designed to be mounted on an internal combustion engine, and to be driven by the engine to keep the battery in a charged condition. May also supply current for the engine ignition system and/or electrical equipment which is connected to the battery circuit. Includes alternating current generators designed for use with a rectifier. Excludes the major generator of "generating sets". For generators specifically designed for aircraft use and not mounted on the engine, see generator, direct current.