Model: 29790

Internal Combustion Engine Piston

Special Features:

Ring grooves no. 2, 3, and 4 chamfered 30 degrees at top of ring grooves

Properties:

Head Style
Flat
Overall Height
6.350 inches
Diameter
4.500 inches
Pinhole Diameter
Between 1.7500 inches and 1.7505 inches
Surface Finish
Finished
Finished Size Designation
Standard
Skirt Type
Solid
Skirt Bottom Cutaway Feature
Not included
Ring Groove Quantity
6
Ring Groove Position
Number 1, number 2, numbe 3, number 4, and number 5
Ring Groove Width
Between 0.1250 inches and 0.1260 inches
Ring Groove Width
Between 0.1260 inches and 0.1270 inches
Ring Groove Width
Between 0.1280 inches and 0.1290 inches
Ring Groove Width
Between 0.1300 inches and 0.1310 inches
Ring Groove Width
0.1250 inches and 0.1260 inches 4th ring
Ring Groove Width
0.1260 inches and 0.1270 inches 3rd ring
Ring Groove Width
0.1280 inches and 0.1290 inches 2nd ring
Ring Groove Width
0.1300 inches and 0.1310 inches 1st ring
Ring Groove Diameter
Between 4.090 inches and 4.100 inches
Ring Groove Diameter
4.090 inches and 4.100 inches 1st ring
Ring Groove Diameter
4.090 inches and 4.100 inches 2nd ring
Ring Groove Diameter
4.090 inches and 4.100 inches 3rd ring
Ring Groove Diameter
4.090 inches and 4.100 inches 4th ring
Ring Groove Position Below Piston Pin
Number 5 and number 6 ring grooves located below piston pin holes
Ring Groove Position Below Piston Pin
Number 1, number 2, numbe 3, number 4, and number 5 all rings
Oil Groove
Not included
Distance From Pin Hole Center To Extreme Top
Between 3.270 inches and 3.275 inches
Pin Hole Bushing
Not included
Distance Between Pin Bosses
1.875 inches
Retaining Ring Groove
Included
Pin
Not included
Pin Type For Which Designed
Floating
Ring
Not included
Carbon Groove
Not included
Material
Aluminum
Material
Aluminum
Weight
75.0 ounces
NSN
2815-00-200-0068
Part Number
29790
Description
Piston,internal Combustion Engine
CAGE
95201

Part 29790 NSN 2815-00-200-0068

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: 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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