Exhaust Muffler NSN 2990-00-778-0031

NSN: 2990-00-778-0031

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Features and Characteristics

Overall Length

21.000 inches

Overall Height

5.000 inches

Overall Width

9.500 inches

Inlet Connection Type

Unthreaded

Outlet Inside Diameter

1.688 inches

Design Type

Dry

Coolant Type

Air

Muffler Design

Multipass

Baffle Quantity

Any acceptable

Tube Quantity

Body Shape

Oval

Operating Position

Horizontal

Inlet Location

Located on center of end section

Inlet Projection Length

2.000 inches

Inlet Outside Diameter

2.125 inches

Inlet Inside Diameter

2.000 inches

Outlet Connection Type

Unthreaded

Outlet Location

Offset on @end section opposite inlet

Outlet Projection Length

2.000 inches

Outlet Outside Diameter

1.812 inches

Material

Steel

Material

Steel

Surface Treatment

Zinc

Surface Treatment

Galvanized

FSC

2990 Nonaircraft Miscellaneous Engine Accessories

NIIN

007780031

NSN

2990007780031

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

3923366

Cage Code:

7X677

Status:

MSDS:

Part Number:

8876M

Cage Code:

89779

Status:

MSDS:

Part Number:

CH53

Cage Code:

76110

Status:

MSDS:

Part Number:

MUB19

Cage Code:

0B0B1

Status:

MSDS:

Part Number:

1123

Cage Code:

89799

Status:

MSDS:

Part Number:

21293

Cage Code:

79260

Status:

MSDS:

Part Number:

3866266

Cage Code:

7X677

Status:

MSDS:

Part Number:

749

Cage Code:

80266

Status:

MSDS:

Part Number:

3908396

Cage Code:

11862

Status:

MSDS:

Part Number:

3981942

Cage Code:

11862

Status:

MSDS:

Part Number:

3792269

Cage Code:

11862

Status:

MSDS:

Part Number:

3831583

Cage Code:

11862

Status:

MSDS:

Part Number:

3874660

Cage Code:

11862

Status:

MSDS:

Part Number:

3884816

Cage Code:

11862

Status:

MSDS:

Part Number:

3908390

Cage Code:

11862

Status:

MSDS:

Part Number:

1255

Cage Code:

79260

Status:

MSDS:

Part Number:

8269

Cage Code:

74080

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 2990-00-778-0031

What are the manufacturers of nsn 2990007780031?

Does this nsn 2990007780031 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 2990007780031

Does nsn 2990007780031 contain any precious metals?
Precious metal content is unknown.

Does nsn 2990007780031 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 2990007780031?
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:

What do you get when you order from nationalstocknumber.org?

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