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Exhaust Muffler

NSN 2990-00-731-7953 | NIIN 00-731-7953
NSN 2990-00-731-7953 NSN: 2990-00-731-7953
Description:

7.000" length, w/inlet connection on left side, tailpipe is welded in downward position , aluminum surface treated

Features and Characteristics

Overall Length
7.000 inches
Inlet Connection Type
Unthreaded
Overall Diameter
7.500 inches
Outlet Inside Diameter
Any acceptable
Design Type
Dry
Coolant Type
Air
Muffler Design
Directional vane
Baffle Quantity
2
Tube Quantity
1
Body Shape
Round
Operating Position
Horizontal
Inlet Location
Centrally located in side section of body
Inlet Projection Length
3.000 inches
Inlet Outside Diameter
2.625 inches
Inlet Inside Diameter
Any acceptable
Outlet Connection Type
Unthreaded
Outlet Location
Located 3/8 in. C to c above and to right of horizontal center line
Outlet Projection Length
0.500 inches
Outlet Outside Diameter
3.000 inches
Outlet Integral Tail Pipe Length
9.500 inches 6TH outlet
Hand Hole Quantity
1
Special Features
W/inlet connection on left side, tailpipe is welded in downward position
Material
Steel, sae 1018
Material
Steel comp 1018
Material Specification
Sae 1018 assn standard single material response
Surface Treatment
Aluminum
Surface Treatment
Aluminum
FSC
2990 Nonaircraft Miscellaneous Engine Accessories
NIIN
007317953
NSN
2990007317953

Manufacturer Part Numbers

Alternate part numbers that match this National Stock Number
Part Number
Cage
Status
MSDS
Part Number:
669-417
Cage Code:
96606
Status:
A
MSDS:
Part Number:
669417
Cage Code:
96606
Status:
A
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 2990-00-731-7953
What are the manufacturers of nsn 2990007317953?
Does this nsn 2990007317953 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 2990007317953
Does nsn 2990007317953 contain any precious metals?
Precious metal content is unknown.
Does nsn 2990007317953 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 2990007317953?
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:
CA
Cond. Code:
2
Status:
A

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  •   Certificate of Conformance
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