Model: 250534R4

Engine Poppet Valve

Properties:

Head Style
Flat
Head Height
Between 0.1970 inches and 0.2070 inches
Chamfer Angle In Deg
30.0
Groove Diameter
Between 0.4220 inches and 0.4280 inches
Chamfer Length
0.0312 inches
Groove Width
Between 0.1320 inches and 0.1420 inches
Outside Diameter
Between 2.5270 inches and 2.5370 inches
Seat Angle In Deg
45.0
Stem Style
Grooved
Carbon Relief Groove
Not included
Neck Radius
0.8125 inches
Stem Length
8.5445 inches
Stem Diameter
0.4955 inches
Distance From Groove To Stem End
0.3125 inches
Material And Location
Steel, ms-39, trw mechanical products div
Metallic Hardness Rating And Location
43.0 rockwell c tip
NSN
2815-00-219-9043
Part Number
250534R4
Description
Valve,poppet,engine
CAGE
0SAT8

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.

Part 250534R4 NSN 2815-00-219-9043

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

Material Classification

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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Schedule B and Export
  • Schedule B: 8409998000
  • SITC: 71392
  • End Use: Industrial engines
  • NAICS: 333618
  • USDA: 1

Freight Class: Parts for compression-ignition internal combustion piston engines (diesel), nesoi

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