NSN

National Stock Number:

3020-00-439-8499 3020004398499

TXT

Description:

Spur Gear

INC

Item Name Code:

05466

MRC:

The style designation indicating the configuration that most nearly corresponds to the appearance of the body.AAQL

Body Style:

Plain, solid

MRC:

A measurement indicating the diameter-pitch per specific measurement scale of the item.AGJS

Pitch Diameter:

1.5909 inches

MRC:

The number of teeth included on the item.AJLA

Teeth Quantity:

21

MRC:

The style designation indicating the configuration that most nearly corresponds to the appearance of the bore.ANTP

Bore Style:

Partial both ends

MRC:

A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM

Hardness Rating:

32.0 rockwell c and 40.0 rockwell c

MRC:

A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM

Hardness Rating:

32.0 rockwell c and 40.0 rockwell c

MRC:

The nominal length of a straight line which passes through the center of an item,and terminates at the outside circumference.CWCD

Outside Diameter:

1.673 inches

MRC:

The nominal dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.CWFR

Nominallength:

2.210 inches

MRC:

An indication as to whether the teeth are a standard depth or modified to a shorter depth.CWNH

Tooth Form:

Standard

MRC:

The measurement of the pressure angle on the item.CWPP

Pressure Angle:

20.0000 degrees

MRC:

The nominal distance between the body face and the protruding hub end.CWQL

Distance Between Body Face And Protruding Hub End:

0.685 inches second end

MRC:

The nominal distance between the body face and the protruding hub end.CWQL

Distance Between Body Face And Protruding Hub End:

1.055 inches first end

MRC:

A measurement taken at right angles to the length of the face,in distinction from thickness.CWRM

Face Width:

0.440 inches

MRC:

The nominal length of a straight line which passes through the center of a bore,and terminates at the circumference.CWRS

Bore Diameter:

0.470 inches both ends

MRC:

A nominal measurement between specified points on the bore,in distinction from height.CWRX

Bore Depth:

1.220 inches both ends

MRC:

The style designation indicating the configuration that most nearly corresponds to the appearance of the hub.CWTR

Hub Style Designator:

1 step second end

MRC:

The style designation indicating the configuration that most nearly corresponds to the appearance of the hub.CWTR

Hub Style Designator:

Plain first end

MRC:

The nominal length of a straight line which passes through the center of a hub,and terminates at the circumference.CWTX

Hub Diameter:

0.873 inches first end

MRC:

A nominal measurement of the longest dimension of the end of the item,in distinction from width.CWWH

End Length:

0.123 inches second end

MRC:

The nominal length of a straight line which passes through the center of the end of the item,and terminates at the circumference.CWWN

End Diameter:

0.624 inches second end

MRC:

A nominal measurement of the longest dimension of the first step,in distinction from width.CWWS

First Step Length:

0.592 inches second end

MRC:

The nominal length of a straight line which passes through the center of the first step,and terminates at the circumference.CWXB

First Step Diameter:

0.905 inches second end

MRC:

The chemical compound or mechanical mixture properties of which the item is fabricated.MATT

Material:

Steel comp e9310

MRC:

The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL

Material Specification:

Ams 6260 assn standard single material response

MRC:

The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL

Style Designator:

Protruding hubs

Part Number	RNVC	RNAAC	DAC	CAGE
121569	2	MB	2	00198
121569	9	MB	2	77445

Code	Definition
FN	Factory New. Parts manufactured by then OEM and includes manufacturer certification.
NE	New. Parts manufactured by the OEM. May include manufacturer certification or company certification.
NS	New Surplus. New material item purchased from excess inventory.
OH	Overhauled. Product has been rebuilt and tested in accordance with the manufacturer's specifications by a repair shop (MRO).
SV	Serviceable product.
AR	As Removed. Product removed from aircraft or platform with no guarentee on the functionality of the part.
RP	Repairable. Product can be repaired by a MRO and be given a FAA 8130 or EASA Form 1 certification.

Part Number 121569

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