6490ABC20-1200

Spur Antibacklash Gear

NSN 3020-00-794-6090

DEMIL

Shelf Life

UOM

NIIN

Demil:

DEMIL/MLI

Shelf Life:

N/A

UOM:

1 EA

NIIN:

007946090

Technical Specifications of NSN

Attachment Method:

Mounting hole

Pitch Diameter:

1.4062 inches

Teeth Quantity:

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:

0.112 inches transversely through hub, first end

Mounting Hole Type And Quantity:

2 threaded transversely through hub, first end

Outside Diameter:

1.434 inches

Nominallength:

0.375 inches

Tooth Form:

Standard

Pressure Angle:

20.0000 degrees

Distance Between Body Face And Protruding Hub End:

0.255 inches first end

Face Width:

0.120 inches

Bore Diameter:

0.120 inches both ends

Hub Style Designator:

Pinned first end

Hub Diameter:

0.375 inches first end

Precision Classification:

Quality number 12

Material:

Aluminum alloy 2024 body

Material:

Steel comp 303 hub

Material Specification:

Qq-a-225/6 federal specification single material response body

Material Specification:

Qq-s-764 federal specification single material response hub

Surface Treatment:

Anodize body

Surface Treatment:

Passivate hub

Surface Treatment Specification:

Mil-a-8625 military specification single treatment response body

Style Designator:

Protruding hub

NSN:

3020-00-794-6090

Item Name:

Gear,antibacklash,spur

Cage Code:

34519

Other Related Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

610234-5

Cage Code:

00141

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

575R324H05

Cage Code:

79500

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AB250-90-120W01P2

Cage Code:

01351

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

575R324H05

Cage Code:

97942

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

26668

FIIG:

A27300

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

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:

1.5 X 0.0 X 0.0

Paclk Weight:

0.1000lbs

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:

121870

UFC:

64910

LTL:

77.5

LCL:

WCC:

593

TCC:

SHC:

ACC:

Trailers/Vehicles

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Spur Antibacklash Gear"

An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.