Part Information
3800 psi min tensile strength, 0.094 in. By 30 degrees chamfer @on bore 1st end, @keyway 7 degrees 26 @min 15 sec cw from center line of gear spoke to centerline of keyway, timing punch mark on center of space on opposite side from turned down hub

NSN

National Stock Number:

3020-00-517-1118 3020005171118

TXT

Description:

Helical Gear

INC

Item Name Code:

05464

MRC:

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

Body Style:

Spoked

MRC:

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

Pitch Diameter:

7.0000 inches

MRC:

The number of teeth included on the item.AJLA

Teeth Quantity:

54

MRC:

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

Bore Style:

10a w/ keyway both ends

MRC:

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

Bore Style:

W/ keyway 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:

197.0 brinell standard and 235.0 brinell standard

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:

7.198 inches

MRC:

Indicates the type of teeth included on the item.CWMW

Teeth Type:

Single helix

MRC:

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

Tooth Form:

Standard

MRC:

The direction the teeth curve when viewed from the edge of the item.CWNM

Tooth Direction:

Right

MRC:

The measurement of the pressure angle on the item.CWPP

Pressure Angle:

14.5000 degrees

MRC:

The measurement of the helix angle on the item.CWPZ

Helix Angle:

39.5167 degrees

MRC:

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

Face Width:

1.498 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:

1.250 inches both ends

MRC:

A nominal measurement taken at right angles to the length of a keyway,in distinction from thickness.CWSN

Keyway Width:

0.251 inches both ends

MRC:

The nominal distance from the center of the bore to the bottom of the keyway(s).CWSR

Distance From Bore Center To Keyway Bottom:

0.746 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 first end

MRC:

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

Hub Style Designator:

Plain both ends

MRC:

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

Hub Diameter:

2.000 inches second end

MRC:

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

End Length:

0.077 inches first 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:

1.937 inches first end

MRC:

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

First Step Length:

0.236 inches first 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:

3.000 inches first end

MRC:

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

Material:

Steel

MRC:

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

Style Designator:

Flush hub

Part Number	RNVC	RNAAC	DAC	CAGE
15049B	2	AX	2	1ML14
2UU076	2	XX	X	62265
1B7112	2	XX	X	95201
96051	9	XX	X	65282
15049B	9	AX	2	28265
31271F	9	AX	5	56442

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 15049B

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