Model: P449AX

Internal Combustion Engine Piston

Properties:

Head Style
Flat
Overall Height
3.750 inches
Diameter
3.125 inches
Pinhole Diameter
0.8120 inches
Surface Finish
Finished
Finished Size Designation
Standard
Skirt Type
Semisplit
Skirt Bottom Cutaway Feature
Not included
Ring Groove Quantity
3
Ring Groove Position
Number 1, number 2, and number 3
Ring Groove Width
Between 0.0955 inches and 0.0965 inches
Ring Groove Width
Between 0.0950 inches and 0.0960 inches
Ring Groove Width
Between 0.1875 inches and 0.1885 inches
Ring Groove Width
Ring Groove Width
0.0955 inches and 0.0965 inches 1st ring
Ring Groove Width
0.1875 inches and 0.1885 inches 3rd ring
Ring Groove Diameter
2.796 inches
Ring Groove Diameter
2.806 inches
Ring Groove Diameter
2.776 inches
Ring Groove Diameter
2.786 inches
Ring Groove Diameter
2.786 inches 6th ring
Ring Groove Diameter
2.796 inches 1st ring
Ring Groove Diameter
2.796 inches 3rd ring
Ring Groove Diameter
2.776 inches 5th ring
Ring Groove Diameter
2.806 inches 2nd ring
Ring Groove Diameter
2.806 inches 4th ring
Oil Groove
Not included
Distance From Pin Hole Center To Extreme Top
Between 2.185 inches and 2.189 inches
Pin Hole Bushing
Not included
Distance Between Pin Bosses
Between 1.105 inches and 1.145 inches
Retaining Ring Groove
Not included
Pin
Included
Pin Type For Which Designed
Floating
Ring
Not included
Carbon Groove
Included
Material
Aluminum
Material
Aluminum
Surface Treatment
Tin or copper alloy
Surface Treatment
Tin plated or brass plated
NSN
2805-00-737-2873
Part Number
P449AX
Description
Piston,internal Combustion Engine
CAGE
76255

Part P449AX NSN 2805-00-737-2873

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16509
FIIG:
T267-C
Concept No.:
1
App. Key:
CA
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

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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Schedule B and Export
  • Schedule B: 8409918000
  • SITC: 71391
  • End Use: Industrial engines
  • NAICS: 333618
  • USDA: 1

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

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