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FSC 3020 | Transmission Chain Sprockets Pulleys Gears
979-1B444

Model: 979-1B444

Helical Gear

Properties:

Body Style

Plain, solid

Attachment Method

Mounting hole

Pitch Diameter

2.6040 inches

Teeth Quantity

123

Bore Style

Plain both ends

Mounting Hole Thread Series Designator

Unc transversely through hub, first end

Mounting Hole Thready Qty Per Inch (tpi)

40 transversely through hub, first end

Mounting Hole Thread Size

0.1120 inches transversely through hub, first end

Mounting Hole Type And Quantity

1 threaded transversely through hub, first end

Outside Diameter

2.6460 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Right

Pressure Angle

14.5000 degrees

Helix Angle

3.5498 degrees

Distance Between Body Face And Protruding Hub End

0.281 inches first end

Face Width

0.188 inches

Bore Diameter

2.1869 inches both ends

Hub Style Designator

1 step first end

End Length

0.0310 inches first end

End Diameter

0.3750 inches first end

First Step Length

0.2500 inches first end

First Step Diameter

0.5000 inches first end

Material

Copper alloy

Material Specification

Naval, mil-b-994 military specification single material response

Style Designator

Protruding hub

NSN

3020-00-517-3222

Part Number

979-1B444

Description

Gear,helical

CAGE

07CR8

A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. See also gear, antibacklash, helical:

Part 979-1B444 NSN 3020-00-517-3222

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05464

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:

Paclk Weight:

0.4000lbs

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