Part Information
Spline minor dia. 0.729 in. Nom

NSN

National Stock Number:

3020-00-692-7046 3020006927046

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:

Plain, solid

MRC:

The number of splines on or in the item.ABSA

Spline Quantity:

16 both ends

MRC:

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

Pitch Diameter:

2.5880 inches

MRC:

The number of teeth included on the item.AJLA

Teeth Quantity:

25

MRC:

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

Bore Style:

Involute spline both ends

MRC:

A measurement of the spline pitch diameter.BDTX

Spline Pitch Diameter:

0.8000 inches 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:

50.0 rockwell c and 55.0 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:

2.785 inches

MRC:

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

Nominallength:

2.685 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:

15.0000 degrees

MRC:

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

Distance Between Body Face And Protruding Hub End:

0.938 inches second end

MRC:

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

Face Width:

0.747 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:

0.879 inches both ends

MRC:

A nominal measurement between specified points of the counterbore,in distinction from height.CWTB

Counterbore Depth:

0.125 inches second end

MRC:

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

Counterbore Diameter:

1.0000 inches second end

MRC:

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

Hub Style Designator:

1 step both ends

MRC:

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

End Length:

0.500 inches first end

MRC:

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

End Length:

0.500 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:

1.181 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:

1.125 inches first end

MRC:

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

First Step Length:

0.438 inches second end

MRC:

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

First Step Length:

0.500 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:

1.181 inches first end

MRC:

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

Material:

Steel comp 1045

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:

66 federal standard single material response and aisi/sae 1045 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
GG149A	2	XX	X	66289
GG149A	2	XX	X	02978
8380669	2	XX	X	19207

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 GG149A

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