Exhaust Muffler NSN 2990-01-208-7868

NSN: 2990-01-208-7868

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Features and Characteristics

Overall Length

32.000 inches

Inlet Connection Type

Flange single inlet

Overall Diameter

Between 17.750 inches and 18.000 inches

End Application

Used on detroit diesel model 6v-53 aboard 44 ft coast guard vessels

Outlet Inside Diameter

6.000 inches single inlet

Design Type

Wet

Coolant Type

Water

Muffler Design

Multipass

Tube Quantity

Body Shape

Round

Operating Position

Any acceptable

Inlet Location

Equally spaced on bottom convex 10.500 ins. C to c single inlet

Inlet Projection Length

2.000 inches single inlet

Inlet Flange Shape

Round single inlet

Inlet Flange Mounting Provision And Quantity

8 holes single inlet

Inlet Flange Mounting Hole Diameter

0.750 inches single inlet

Inlet Flange Mounting Provision Spacing

7.1/2 in. C to c dim. Of bolt holes single inlet

Inlet Outside Diameter

9.000 inches single inlet

Inlet Inside Diameter

6.000 inches single inlet

Outlet Connection Type

Unthreaded single inlet

Outlet Location

Located on bottom vertical centered 90 degrees from inlets single inlet

Outlet Projection Length

4.000 inches single inlet

Outlet Outside Diameter

6.625 inches single inlet

Cubic Measure

5.000 cubic feet

Special Features

Min.Thickness of outside shell .125 in{ max.Exhaust outlet back pressure 5.5 hg at 800 rpms{ jacket water flow 77 gals per min. At 2300 rpms

Material

Stainless steel

FSC

2990 Nonaircraft Miscellaneous Engine Accessories

NIIN

012087868

NSN

2990012087868

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

44MLB(S)4103-85

Cage Code:

06101

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8708925000
NAICS: 336390
SITC: 78439
Description: Mufflers and exhaust pipes for vehicles, nesoi
End Use (Code 30230):
Other parts and accessories of vehicles

Q & A

Frequently asked questions for NSN 2990-01-208-7868

What are the manufacturers of nsn 2990012087868?

United States Coast Guard (06101)

Does this nsn 2990012087868 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 2990012087868

Does nsn 2990012087868 contain any precious metals?
No precious metal content.

Does nsn 2990012087868 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 2990012087868?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

10849

FIIG:

T135-C

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service