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FSG 30 | Mechanical Power Transmission Equipment
FSC 3020 | Transmission Chain Sprockets Pulleys Gears
6556499

Model: 6556499

Internal Gear

Special Features:

Hub end external threaded 5.750-12 un-2a, and 60 splines between first and second groove, gear used on valve operator

Properties:

Body Style

Webbed, offset, solid

End Application

Weapons system seawolf class ssn

Pitch Diameter

9.2500 inches

Teeth Quantity

Bore Style

W/counterbore second end

Hardness Rating

28.0 rockwell c body and 48.0 rockwell c body

Outside Diameter

10.630 inches

Nominallength

5.336 inches

Teeth Type

Spur

Tooth Form

Stub

Pressure Angle

20.0000 degrees

Distance Between Body Face And Protruding Hub End

2.894 inches second end

Face Width

1.630 inches

Bore Diameter

4.500 inches second end

Counterbore Depth

0.943 inches counter bore, second end

Counterbore Diameter

4.801 inches counter bore, second end

Hub Style Designator

2 grooves second end

Hub Diameter

5.750 inches second end

Precision Classification

Accuracy grade 10

First Groove Width

0.120 inches

First Groove Diameter

5.720 inches second end

Distance From End To First Groove

0.390 inches

Second Groove Width

0.220 inches second end

Second Groove Diameter

5.720 inches second end

Distance From End To Second Groove

2.122 inches

Material

Steel comp 4140 and steel comp 4142

Material Specification

Astm a322 assn standard single material response

Style Designator

Solid back ring, protruding hub

NSN

3020-01-414-7959

Part Number

6556499

Description

Gear,internal

CAGE

53711

A gear with teeth formed on the inner surface of a cylinder or cone.

Part 6556499 NSN 3020-01-414-7959

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05465

FIIG:

A27300

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

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:

12.0 X 12.0 X 7.0

Paclk Weight:

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

197339

UFC:

96710

LTL:

65.0

LCL:

WCC:

593

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8483409000
SITC: 74840
End Use: Industrial machines, other
NAICS: 333612
USDA: 1

Freight Class: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately