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Engine Poppet Valve NSN 2815-00-097-2521

Item Description

A mushroom or tulip-shaped item having a circular head with a conical face and an extended stem used to regulate the flow of incoming fuel-air mixture or air into the combustion chamber or exhaust gases from the combustion chamber of a reciprocating internal combustion engine.

NSN 2815-00-097-2521 NSN: 2815-00-097-2521

Features and Characteristics

Head Style
Flat
Head Height
Between 0.2500 inches and 0.2650 inches
Chamfer Angle In Deg
45.0
Chamfer Length
0.0312 inches
Taper Angle In Deg
15.0
Outside Diameter
Between 2.7450 inches and 2.7550 inches
Minor Outside Diameter
Between 0.3380 inches and 0.3420 inches
Minor Diameter Length
0.1900 inches
Seat Angle In Deg
45.0
Stem Style
Tapered
Carbon Relief Groove
Not included
Neck Radius
0.6200 inches
Stem Length
Between 6.3660 inches and 6.4050 inches
Stem Diameter
Between 0.4970 inches and 0.4980 inches
Distance From Minor Diameter To Stem End
Between 0.3240 inches and 0.3280 inches
Material And Location
Steel, federal standard 66, sae ev4 head
Metallic Hardness Rating And Location
50.0 rockwell c tip
Fsc Application Data
Diesel engine
FSC
2815 Diesel Engines And Components
NIIN
000972521
NSN
2815000972521

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
185057B
Cage Code:
1ML14
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8409998000
  • NAICS: 333618
  • SITC: 71392
  • Description: Parts for compression-ignition internal combustion piston engines (diesel), nesoi
  • End Use (Code 21100):
    Industrial engines

Q & A

Frequently asked questions for NSN 2815-00-097-2521
What are the manufacturers of nsn 2815000972521?
Does this nsn 2815000972521 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 2815000972521
A mushroom or tulip-shaped item having a circular head with a conical face and an extended stem used to regulate the flow of incoming fuel-air mixture or air into the combustion chamber or exhaust gases from the combustion chamber of a reciprocating internal combustion engine.
Does nsn 2815000972521 contain any precious metals?
Precious metal content is unknown.
Does nsn 2815000972521 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 2815000972521?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
15884
FIIG:
A11200
App. Key:
A
Cond. Code:
2
Status:
A

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