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Muffler- Protective Cap Assembly NSN 2990-01-332-5463

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 2990-01-332-5463 NSN: 2990-01-332-5463

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Major End Items End items to which 2990-01-332-5463 is a component of

  • N/A 4520-01-073-8309
  • FMF B-2 Bomber (atb) Aircraft

Features and Characteristics

End Application
4520-01-073-8309
Special Features
5.175 in. Dia; 0.750 in. H; 5.081 in. Diameter opening on one side, other side solid; 0.047 in. Thk
Material
Steel
FSC
2990 Nonaircraft Miscellaneous Engine Accessories
NIIN
013325463
NSN
2990013325463

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
8227124-01
Cage Code:
98752
Status:
A
MSDS:
Part Number:
B04020061
Cage Code:
57386
Status:
A
MSDS:
Part Number:
8227124
Cage Code:
98752
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 2990-01-332-5463
What are the manufacturers of nsn 2990013325463?
Does this nsn 2990013325463 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 2990013325463
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 2990013325463 contain any precious metals?
No precious metal content.
Does nsn 2990013325463 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 2990013325463?
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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