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Exhaust Muffler NSN 2990-00-042-4501

NSN 2990-00-042-4501 NSN: 2990-00-042-4501

Features and Characteristics

Overall Length
4.940 inches
Inlet Connection Type
Threaded
Inlet Thread Direction
Right-hand
Overall Diameter
1.750 inches
Design Type
Dry
Coolant Type
Air
Muffler Design
Baffle
Baffle Quantity
1
Tube Quantity
1
Body Shape
Round
Operating Position
Horizontal
Inlet Location
Centrally located in end section
Inlet Projection Length
0.880 inches
Inlet Thread Size
1/2-14
Inlet Thread Series Designator
Npsm
Inlet Thread Location
External
Nonconnection Outlet Type And Quantity
1 round hole
Nonconnection Outlet Location
Centrally located in end section opposite inlet
Nonconnection Outlet Size
0.625 in. Dia
Material
Steel, carbon
Material
Steel
Surface Treatment
Any acceptable
FSC
2990 Nonaircraft Miscellaneous Engine Accessories
NIIN
000424501
NSN
2990000424501

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
170-0136-50
Cage Code:
10391
Status:
A
MSDS:
Part Number:
170-136-500
Cage Code:
10391
Status:
A
MSDS:
Part Number:
170-159-500
Cage Code:
10391
Status:
A
MSDS:
Part Number:
170136500
Cage Code:
10391
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 2990-00-042-4501
What are the manufacturers of nsn 2990000424501?
Does this nsn 2990000424501 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 2990000424501
Does nsn 2990000424501 contain any precious metals?
Precious metal content is unknown.
Does nsn 2990000424501 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 2990000424501?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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