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FSC 3020 | Transmission Chain Sprockets Pulleys Gears
4M9933

Model: 4M9933

Helical Gear

Special Features:

45 degrees 3.156 in. Diameter countersink in bore on 1st end, letter b stamped on center line of tooth 73 degrees 5 min 54 sec ccw from center line of keyway, letter c stamped on centerline of tooth 130 degrees 54 min 6 sec cw from center line of keyway

Properties:

Body Style

Plain, solid

Pitch Diameter

4.2000 inches

Teeth Quantity

Bore Style

10a w/ keyway both ends

Hardness Rating

77.0 rockwell c and 81.0 rockwell c

Outside Diameter

4.400 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Left

Pressure Angle

20.0000 degrees

Helix Angle

17.7528 degrees

Distance Between Body Face And Protruding Hub End

0.314 inches first end

Face Width

0.750 inches

Bore Diameter

2.566 inches both ends

Keyway Width

0.189 inches both ends

Distance From Bore Center To Keyway Bottom

1.385 inches both ends

Hub Style Designator

Plain first end

Hub Diameter

3.500 inches first end

Material

Steel

Style Designator

Protruding hub

NSN

3020-00-851-4716

Part Number

4M9933

Description

Gear,helical

CAGE

11083

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 4M9933 NSN 3020-00-851-4716

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:

2.1000lbs

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