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Muffler- Protective Cap Assembly NSN 2990-00-438-1551

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 2990-00-438-1551 NSN: 2990-00-438-1551

Features and Characteristics

FSC
2990 Nonaircraft Miscellaneous Engine Accessories
NIIN
004381551
NSN
2990004381551

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5120661
Cage Code:
24617
Status:
A
MSDS:
Part Number:
5185971-12
Cage Code:
24617
Status:
A
MSDS:
Part Number:
2234547
Cage Code:
7X677
Status:
A
MSDS:
Part Number:
11013 TYPE 2
Cage Code:
81859
Status:
A
MSDS:
Part Number:
CAP-652
Cage Code:
93234
Status:
A
MSDS:
Part Number:
12
Cage Code:
95817
Status:
A
MSDS:
Part Number:
770
Cage Code:
17284
Status:
A
MSDS:
Part Number:
CAP704
Cage Code:
0AT62
Status:
A
MSDS:
Part Number:
11043
Cage Code:
11431
Status:
A
MSDS:
Part Number:
11013-12
Cage Code:
81851
Status:
A
MSDS:
Part Number:
329MCV1
Cage Code:
05415
Status:
A
MSDS:
Part Number:
14900215
Cage Code:
09368
Status:
A
MSDS:
Part Number:
LA124-9
Cage Code:
46717
Status:
A
MSDS:
Part Number:
071-8393
Cage Code:
95685
Status:
A
MSDS:
Part Number:
8376498-1
Cage Code:
19207
Status:
A
MSDS:
Part Number:
14Z4D07
Cage Code:
27315
Status:
A
MSDS:
Part Number:
0102-9001
Cage Code:
82386
Status:
A
MSDS:
Part Number:
35504364
Cage Code:
33968
Status:
A
MSDS:
Part Number:
US4994
Cage Code:
11083
Status:
A
MSDS:
Part Number:
11013
Cage Code:
11431
Status:
A
MSDS:
Part Number:
7S4994
Cage Code:
02067
Status:
A
MSDS:
Part Number:
90002306
Cage Code:
90915
Status:
A
MSDS:
Part Number:
A211255P11
Cage Code:
27618
Status:
A
MSDS:
Part Number:
P67364
Cage Code:
04285
Status:
A
MSDS:
Part Number:
NUMBER 12
Cage Code:
81859
Status:
A
MSDS:
Part Number:
11048
Cage Code:
81859
Status:
A
MSDS:
Part Number:
9375
Cage Code:
80266
Status:
A
MSDS:
Part Number:
364001
Cage Code:
03764
Status:
A
MSDS:
Part Number:
123
Cage Code:
95817
Status:
A
MSDS:
Part Number:
KCAP704
Cage Code:
93234
Status:
A
MSDS:
Part Number:
RC400-Z
Cage Code:
01652
Status:
A
MSDS:
Part Number:
HD8393
Cage Code:
95685
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 2990-00-438-1551
What are the manufacturers of nsn 2990004381551?
Does this nsn 2990004381551 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 2990004381551
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 2990004381551 contain any precious metals?
No precious metal content.
Does nsn 2990004381551 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 2990004381551?
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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