AE78C

Engine Poppet Valve

NSN 2805-00-520-2421

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
005202421

Detail Specifications

Head Style:
Raised face
Head Height:
Between 0.1875 inches and 0.2025 inches
Chamfer Angle In Deg:
45.0
Groove Diameter:
Between 0.2670 inches and 0.2730 inches
Chamfer Length:
0.0312 inches
Groove Width:
Between 0.0950 inches and 0.1050 inches
Outside Diameter:
Between 0.3090 inches and 1.3700 inches
Seat Angle In Deg:
7.0
Stem Style:
Grooved
Carbon Relief Groove:
Included
Neck Radius:
0.2500 inches
Stem Length:
4.1010 inches
Stem Diameter:
Between 0.3080 inches and 0.3090 inches
Distance From Groove To Stem End:
Between 0.2400 inches and 0.2500 inches
Material And Location:
Steel
NSN:
2805-00-520-2421
Item Name:
Exhaust Valve
Cage Code:
66289

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
4042
Cage Code:
80900
RNCC:
5
RNVC:
9
RNAAC:
XX
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15884
FIIG:
A11200
Concept No.:
1
App. Key:
A
Cond. Code:
2
Status:
A

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
133300
UFC:
63220
LTL:
RATING VARIABLE
LCL:
85.0
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Privacy | Terms

Definition Definition of approved item name (AIN): "Exhaust Valve"

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.

MOE Major Organizational Entities

Entity
DSOR
User:
GREECE Greece
DSOR:
Import / Export
  • Schedule B: 8409918000
  • SITC: 71391
  • End Use: Industrial engines
  • NAICS: 333618
  • USDA: 1

Classification: Parts for spark-ignition internal combustion piston engines, nesoi


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