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FSG 30 | Mechanical Power Transmission Equipment
FSC 3020 | Transmission Chain Sprockets Pulleys Gears
238255

Model: 238255

Helical Gear

Properties:

Body Style

Webbed, solid

Attachment Method

Mounting hole

Pitch Diameter

3.6990 inches

Teeth Quantity

Bore Style

Tapered w/keyway first end

Hardness Rating

285.0 brinell standard and 325.0 brinell standard

Mounting Hole Type And Quantity

4 plain axially through body, first end

Outside Diameter

3.844 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Right

Helix Angle

28.1536 degrees

Distance Between Body Face And Protruding Hub End

0.125 inches first end

Face Width

0.875 inches

Keyway Width

0.251 inches first end

Distance From Bore Center To Keyway Bottom

0.730 inches first end

Taper Major Diameter

1.173 inches first end

Hub Style Designator

Plain both ends

Hub Diameter

1.736 inches second end

Mounting Hole Diameter

0.375 inches axially through body, first end

Bolt Hole Circle Diameter

2.500 inches axially through body, first end

Material

Steel

Material Specification

Mil-s-890, alloy no. 4 military specification single material response

Style Designator

One protruding hub, one flush hub

NSN

3020-00-969-2985

Part Number

238255

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 238255 NSN 3020-00-969-2985

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:

2.6000lbs

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