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FSG 30 | Mechanical Power Transmission Equipment
FSC 3020 | Transmission Chain Sprockets Pulleys Gears
77-7A1

Model: 77-7A1

Helical Gear

Properties:

Body Style

Webbed, offset, solid

Pitch Diameter

3.5000 inches

Teeth Quantity

100

Bore Style

W/counterbore second end

Outside Diameter

3.575 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Right

Pressure Angle

20.0000 degrees

Helix Angle

26.7665 degrees

Distance Between Body Face And Protruding Hub End

0.520 inches first end

Body Recess Depth

0.066 inches second end

Face Width

0.218 inches

Bore Diameter

0.241 inches second end

Counterbore Depth

0.217 inches second end

Counterbore Diameter

1.0050 inches second end

Hub Style Designator

1 step first end

End Length

0.385 inches first end

End Diameter

1.000 inches first end

First Step Length

1.125 inches first end

First Step Diameter

1.750 inches first end

Material

Plastic polyamide body

Material

Stainless steel hub

Surface Treatment

Passivate hub

Style Designator

Protruding hub, recessed body

NSN

3020-00-786-5594

Part Number

77-7A1

Description

Gear,helical

CAGE

82005

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 77-7A1 NSN 3020-00-786-5594

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:

0.3000lbs

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