Model: 185057B

Engine Poppet Valve

Properties:

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 hnv3 stem
Material And Location
Steel, federal standard 66, sae ev4 head
Metallic Hardness Rating And Location
30.0 rockwell c head
Metallic Hardness Rating And Location
30.0 rockwell c stem
Metallic Hardness Rating And Location
50.0 rockwell c tip
Fsc Application Data
Diesel engine
NSN
2815-00-097-2521
Part Number
185057B
Description
Valve,poppet,engine
CAGE
1ML14

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 185057B NSN 2815-00-097-2521

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:
1.0000lbs
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

Freight Classification

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

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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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