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257340-9

Model: 257340-9

Flange To Tube Straight Adapter

Properties:

Thread Class

2a 1st end

Bolt Hole Quantity

4 2nd end

Connection Style

Flared (tube) 1st end

Width

2.470 inches 2nd end

Length

2.475 inches 2nd end

Flange Shape

Rectangular with holes 2nd end

Connection Type

Flange 2nd end

Connection Type

Threaded external tube 1st end

Thready Qty Per Inch (tpi)

16 1st end

Thread Size

0.500 inches 1st end

Seat Angle

45.0 degrees 1st end

Thickness

0.400 inches 2nd end

Bolt Hole Diameter

0.250 inches 2nd end

Center To Center Distance Between Bolt Holes Along Length

2.166 inches 2nd end

Center To Center Distance Between Bolt Holes Along Width

2.164 inches 2nd end

Flange Face Design

Plain with gasket groove 2nd end

Outside Diameter Tube Accommodated

0.312 inches 1st end

Nominallength

2.136 inches

Material

Steel

Thread Series Designator

Un 1st end

NSN

4730-00-074-1688

Part Number

257340-9

Description

Adapter,straight,flange To Tube

CAGE

70210

An adapter having a flange connection on one end designed to connect with another flange connection or a compression type mounting pad. The other end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. It is designed to join a flange or flange fitting to a tube or tube fitting in a straight line.

Part 257340-9 NSN 4730-00-074-1688

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29657

FIIG:

A080B0

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:

13.5000lbs

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:

052190

UFC:

30000

LTL:

RATING VARIABLE

LCL:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

Pricing & Availability Check

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Schedule B and Export

Schedule B: 7307912000
SITC: 67959
End Use: Iron and steel products, other
NAICS: 332919
USDA: 1

Freight Class: Flanges of iron or nonalloy steel