Model: 21RRD

Flexible Shaft Coupling

Properties:

Overall Length

1.812 inches

Outside Diameter

2.125 inches

Thread Size Designator

0.250-20 both ends

Bore Diameter

0.5000 inches second end

Bore Diameter

0.6250 inches first end

Bore Length

0.5625 inches both ends

Bore Shape

Straight both ends

Furnished Items And Quantity

Setscrew 2

Design Type

Insert

Securing Method

Threaded hole both ends

Threaded Hole Quantity

1 both ends

Threaded Hole Location

Both ends: centered 0.250 in. From end of hub

Insert Material

Rubber synthetic

NSN

3010-00-889-8074

Part Number

21RRD

Description

Coupling,shaft,flexible

CAGE

76474

A device for connecting the ends of two shafts so that rotary motion of one shaft is transmitted to the other shaft. It is constructed to allow for slight misalignment of shafts both linear and angular.

Part 21RRD NSN 3010-00-889-8074

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

04459

FIIG:

A522B0

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

126880

UFC:

64300

LTL:

RATING VARIABLE

LCL:

WCC:

593

TCC:

SHC:

ACC:

Trailers/Vehicles

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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