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Muffler- Protective Cap Assembly NSN 2990-01-655-6939

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 2990-01-655-6939 NSN: 2990-01-655-6939

Features and Characteristics

Part Name Assigned By Controlling Agency
Rain cap
Pipe Outside Diameter Accommodated
4.000 inches
Special Features
Powder coat gray
FSC
2990 Nonaircraft Miscellaneous Engine Accessories
NIIN
016556939
NSN
2990016556939

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
RCG 400
Cage Code:
0VYJ5
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 2990-01-655-6939
What are the manufacturers of nsn 2990016556939?
Does this nsn 2990016556939 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 2990016556939
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 2990016556939 contain any precious metals?
Precious metals vary between manufacturers.
Does nsn 2990016556939 contain any hazardous materials?
Hazardous material unknown.
What is the ESD classification of nsn 2990016556939?
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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