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FSC 3020 | Transmission Chain Sprockets Pulleys Gears
318288

Model: 318288

Helical Gear

Special Features:

2nd end counterbored, 2.188 in. Diameter by 0.375 in. Dp

Properties:

Body Style

Plain, solid

Pitch Diameter

3.4910 inches

Teeth Quantity

Bore Style

Tapered w/keyway first end

Hardness Rating

335.0 brinell standard and 375.0 brinell standard

Outside Diameter

3.663 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Right

Pressure Angle

30.7995 degrees

Helix Angle

30.0483 degrees

Distance Between Body Face And Protruding Hub End

0.281 inches first end

Face Width

1.250 inches

Keyway Width

0.314 inches first end

Distance From Bore Center To Keyway Bottom

0.873 inches first end

Taper Major Diameter

1.370 inches first end

Hub Style Designator

Plain first end

Hub Diameter

2.250 inches first end

Material

Steel

Material Specification

Mil-s-890, alloy no. 1 military specification single material response

Style Designator

Protruding hub

NSN

3020-00-671-4550

Part Number

318288

Description

Gear,helical

CAGE

21444

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 318288 NSN 3020-00-671-4550

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:

3.0000lbs

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