Model: 166313

Internal Combustion Engine Piston

Properties:

Head Style
Concave
Overall Height
4.110 inches
Diameter
5.726 inches
Pinhole Diameter
1.3730 inches
Surface Finish
Finished
Finished Size Designation
Standard
Skirt Type
Solid
Skirt Bottom Cutaway Feature
Not included
Ring Groove Quantity
5
Ring Groove Position
Number 1, number 2, number 3 and no. 4 and no. 5
Ring Groove Width
0.12925 inches
Ring Groove Width
0.13000 inches 1st ring
Ring Groove Width
0.22175 inches 2nd ring
Ring Groove Width
0.12925 inches 3rd ring
Groove Taper Angle
15 degrees incl angle
Ring Groove Diameter
5.207 inches 2nd ring
Ring Groove Diameter
5.177 inches
Ring Groove Diameter
5.327 inches
Ring Groove Diameter
5.177 inches 1st ring
Ring Groove Diameter
5.327 inches 3rd ring
Ring Groove Position Below Piston Pin
No.5 ring groove located below piston bosses
Ring Groove Position Below Piston Pin
Number 1, number 2, number 3 and no. 4 and no. 5 all rings
Oil Groove
Not included
Distance From Pin Hole Center To Extreme Top
2.610 inches
Pin Hole Bushing
Not included
Distance Between Pin Bosses
2.000 inches
Retaining Ring Groove
Included
Pin
Not included
Pin Type For Which Designed
Locking
Ring
Not included
Carbon Groove
Not included
Material
Aluminum
Material
Aluminum
Surface Treatment
Tin
Surface Treatment
Tin plated
Weight
72.0 ounces
Fsc Application Data
Aircraft eng r2000
NSN
2810-00-031-6323
Part Number
166313
Description
Piston,internal Combustion Engine
CAGE
00198

Part 166313 NSN 2810-00-031-6323

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:
--
WCC:
593
TCC:
Z
SHC:
Z
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 8409100080
  • SITC: 71319
  • End Use: Engines and turbines for military aircraft
  • NAICS: 336412
  • USDA: 1

Freight Class: Parts for spark-ignition or compression-ignition internal combustion piston engines for use in aircraft except civil

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