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Muffler- Protective Cap Assembly NSN 2990-01-647-2973

Item Description

An item designed to fit over the opening of an engine exhaust pipe or muffler to prevent the entrance of rain or foreign matter into the manifold section of a reciprocating engine while not in use. It is automatically opened when the engine is started by pressure exerted from the exhaust system. It is equipped with a hinging action and may or may not have a counter weight. Excludes cap, protective, dust and moisture seal.

NSN 2990-01-647-2973 NSN: 2990-01-647-2973

Features and Characteristics

End Application
Used on yamaha models and components
Part Name Assigned By Controlling Agency
Cap
FSC
2990 Nonaircraft Miscellaneous Engine Accessories
NIIN
016472973
NSN
2990016472973

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
7NJ-14799-01-00
Cage Code:
4V176
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8412909080
  • NAICS: 333618
  • SITC: 71899
  • Description: Parts of engines and motors, nesoi
  • End Use (Code 21100):
    Industrial engines

Q & A

Frequently asked questions for NSN 2990-01-647-2973
What are the manufacturers of nsn 2990016472973?
Does this nsn 2990016472973 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 2990016472973
An item designed to fit over the opening of an engine exhaust pipe or muffler to prevent the entrance of rain or foreign matter into the manifold section of a reciprocating engine while not in use. it is automatically opened when the engine is started by pressure exerted from the exhaust system. it is equipped with a hinging action and may or may not have a counter weight. excludes cap, protective, dust and moisture seal.
Does nsn 2990016472973 contain any precious metals?
No precious metal content.
Does nsn 2990016472973 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 2990016472973?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
61446
FIIG:
A514R0
App. Key:
Cond. Code:
1
Status:
A

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