Model: RB20-208

Shaft Coupling Half

Special Features:

Junthreaded bore dia.: 0.391" nom.; positioning facility qty: 4; positioning facility bolt circle dia.: 4.620" nom.; positioning hole style: plain; b counterbore feature: not included; keying facility qty: 1; hub od: 2.3621" min., 2.3627" max.; thread provision: unthreaded; distance from center of bore to bottom of keyway: 1.053" min., 1.0635" max.; keyway wd: 0.377" min., 0.379" max.; recess dep.: 0.380" nom.; recess dia.: 3.124" min., 3.126" max.; flange thickness: 0.440" nom.

Properties:

Overall Length

3.340 inches

Outside Diameter

5.500 inches

Bore Diameter

Between 1.7490 inches and 1.7500 inches

Bore Length

2.7200 inches

Bore Shape

Straight

Features Provided

Keyway

Material

Iron

NSN

3010-00-377-3373

Part Number

RB20-208

Description

Coupling Half,shaft

CAGE

77107

A mechanical item used to connect a shaft and the mating member of a flexible or rigid coupling.

Part RB20-208 NSN 3010-00-377-3373

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

08009

FIIG:

A521X0

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:

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:

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Schedule B and Export

Schedule B: 8483608000
SITC: 74860
End Use: Industrial machines, other
NAICS: 333613
USDA: 1

Freight Class: Shaft couplings, except universal joints